Yamada, N., Hayakawa, M., Osaki, Y., Takeda, S., Uno, S.
The electroweak gauge symmetry is allowed to be spontaneously broken by the strongly interacting vector-like gauge dynamics. When the gauge coupling of a theory runs slowly in a wide range of energy...
F. Muto, Y. Kasahara, Y. Hobara, M. Hayakawa, A. Rozhnoi, M. Solovieva, ...
As the target earthquake we have taken a huge earthquake (EQ) named Miyagi-oki earthquake on 16 August 2005 (with magnitude of 7.2) and we have analyzed the 4 month period including the date of this...
Anomalies in VLF radio signals prior the Abruzzo earthquake (M=6.3) on 6 April 2009 (2009)
A. Rozhnoi, M. Solovieva, O. Molchanov, K. Schwingenschuh, M. Boudjada, P. F. Biagi, ...
The VLF/LF radio signals method for studying preseimic activity is applied to the Abruzzo earthquake (M=6.3, 6 April 2009). The data collected by three receivers located in Moscow (Russia), Graz...
The effect of earth tides as observed in seismo-electromagnetic precursory signals (2009)
M. Hayakawa, Y. Sue, T. Nakamura
Studies on the effect of earth tides in triggering earthquakes (EQs) had a great progress in recent years, which has provided convincing evidence of earth tides in EQ triggering. On the other hand,...
Aoyama, T., Hayakawa, M., Kinoshita, T., Nio, M.
This paper reports the tenth-order QED contribution to the g-2 of electron and muon from two gauge-invariant sets, Set I(g) and Set I(h). In the case of electron g-2 Set I(g) consists of 9 Feynman...
Aoyama, T., Hayakawa, M., Kinoshita, T., Nio, M., Watanabe, N.
We have evaluated the contribution to the anomalous magnetic moment of the electron from six tenth-order Feynman diagrams which contain eighth-order vacuum-polarization function formed by two...
PIKfyve negatively regulates exocytosis in neurosecretory cells (2008)
Osborne, S. L., Wen, P. J., Boucheron, C., Nguyen, H. N., Hayakawa, M., Kaizawa, H., ...
Regulated secretion depends upon a highly co-ordinated series of protein-protein and protein-lipid interactions. Two phosphoinositides, PtdIns(4,5)P2 and PtdIns(3)P, are important for the...
Hayakawa, M., Horie, T., Yoshida, M., Kasahara, Y., Muto, F., Ohta, K., ...
In order to investigate any precursory effect of ionospheric perturbations associated with the large 2007 Niigata Chuetsu-oki earthquake (16 July 2007) (magnitude, 6.8), we have made full use of our...
Yoshida, M., Yamauchi, T., Horie, T., Hayakawa, M.
The signals from VLF/LF transmitters are known to propagate in the Earth-ionosphere waveguide, so that the subionospheric propagation characteristics are very sensitive to the condition of the lower...
Hayakawa, M., Horie, T., Yoshida, M., Kasahara, Y., Muto, F., Ohta, K., ...
In order to investigate any precursory effect of ionospheric perturbations associated with the large 2007 Niigata Chuetsu-oki earthquake (16 July 2007) (magnitude, 6.8), we have made full use of our...
Yoshida, M., Yamauchi, T., Horie, T., Hayakawa, M.
The signals from VLF/LF transmitters are known to propagate in the Earth-ionosphere waveguide, so that the subionospheric propagation characteristics are very sensitive to the condition of the lower...
Muto, F., Yoshida, M., Horie, T., Hayakawa, M., Parrot, M., Molchanov, O. A.
There have been recently reported a lot of electromagnetic phenomena associated with earthquakes (EQs). Among these, the ground-based reception of subionospheric waves from VLF/LF transmitters, is...
Muto, F., Yoshida, M., Horie, T., Hayakawa, M., Parrot, M., Molchanov, O. A.
There have been recently reported a lot of electromagnetic phenomena associated with earthquakes (EQs). Among these, the ground-based reception of subionospheric waves from VLF/LF transmitters, is...
PIKfyve negatively regulates exocytosis in neurosecretory cells (2008)
Osborne, S. L., Wen, P. J., Boucheron, C., Nguyen, H. N., Hayakawa, M., Kaizawa, H., ...
M. Yoshida, T. Yamauchi, T. Horie, M. Hayakawa
The signals from VLF/LF transmitters are known to propagate in the Earth-ionosphere waveguide, so that the subionospheric propagation characteristics are very sensitive to the condition of the lower...
F. Muto, M. Yoshida, T. Horie, M. Hayakawa, M. Parrot, O. A. Molchanov
There have been recently reported a lot of electromagnetic phenomena associated with earthquakes (EQs). Among these, the ground-based reception of subionospheric waves from VLF/LF transmitters, is...
M. Hayakawa, T. Horie, M. Yoshida, Y. Kasahara, F. Muto, K. Ohta, ...
In order to investigate any precursory effect of ionospheric perturbations associated with the large 2007 Niigata Chuetsu-oki earthquake (16 July 2007) (magnitude, 6.8), we have made full use of our...
Y. Kasahara, F. Muto, T. Horie, M. Yoshida, M. Hayakawa, K. Ohta, ...
Relatively long-period (4 years) data on different propagation paths by means of Japanese-Pacific VLF/LF network observation, are used to obtain further statistical significance on the correlation of...
Y. Ida, D. Yang, Q. Li, H. Sun, M. Hayakawa
An improved analysis of polarization (as the ratio of vertical magnetic field component to the horizontal one) has been developed, and applied to the approximately four years data (from 1 March 2003...
H. Nagamoto, T. Fukushima, Y. Ida, Y. Matsudo, M. Hayakawa
The data on radio telemetry links (for water information) at VHF/UHF in Hokkaido are used to investigate the rate of disturbances on radio links (or connection failure) and its association with a...
Maps of geoelectric sections of Turkey, Iran, Afghanistan, Pakistan, Korea, and Japan (2008)
Y. B. Bashkuev, V. R. Advokatov, L. K. Angarkhaeva, V. S. Dorzhiev, M. Hayakawa
Results of geoelectric mapping of some Asian countries with high seismic activity are presented. The methodology of the geoelectric mapping is considered, and the corresponding maps of geoelectric...
P. F. Biagi, L. Castellana, T. Maggipinto, D. Loiacono, V. Augelli, L. Schiavulli, ...
On 22 August 2005 an earthquake with magnitude M=4.7 occurred in the Anzio (central Italy) offshore area. From 2002, a VLF-LF radio receiver is into operation in Bari (southern Italy). The intensity...
A. Rozhnoi, M. Solovieva, O. Molchanov, O. Akentieva, J. J. Berthelier, M. Parrot, ...
In our earlier papers we have found the effect of VLF transmitter signal depression over epicenters of the large earthquakes from observation on the French DEMETER satellite that can be considered as...
About possibility to locate an EQ epicenter using parameters of ELF/ULF preseismic emission (2008)
A. Y. Schekotov, O. A. Molchanov, M. Hayakawa, E. N. Fedorov, V. N. Chebrov, V. I. Sinitsin, ...
A relation between parameters of preseismic ULF/ELF emissions and EQ is studied. The magnetic data measured at Karymshino station (Kamchatka, Russia) along with data on local seismic activity during...
M. Hayakawa, A. P. Nickolaenko, M. Sekiguchi, K. Yamashita, Y. Ida, M. Yano
The ELF observation at Moshiri (geographic coordinates: 44.29° N, 142.21° E) in Hokkaido, Japan, was used to find anomalous phenomena in the Schumann resonance band, possibly associated with...
Aoyama, T., Hayakawa, M., Kinoshita, T., Nio, M.
We have carried out a new evaluation of the eighth-order contribution to the electron g-2 using FORTRAN codes generated by an automatic code generator gencodeN. Comparison of the "new" result with...
Receptor Database Representation (2007)
K. Nakata, M. Hayakawa, T. Nakano, T. Kaminuma
A receptor database systems that gather data from information sources on the Internet has been developed. These sources include genetic database of PIR, Swiss Prot, PDB, GenBank, EMBL, GDB, etc......
Aoyama, T., Hayakawa, M., Kinoshita, T., Nio, M.
We have developed an efficient algorithm for the subtraction of infrared divergences that arise in the evaluation of QED corrections to the anomalous magnetic moment of lepton (g-2). By incorporating...
Revised value of the eighth-order electron g-2 (2007)
Aoyama, T., Hayakawa, M., Kinoshita, T., Nio, M.
The contribution to the eighth-order anomalous magnetic moment (g-2) of the electron from a set of diagrams without closed lepton loops is recalculated using a new FORTRAN code generated by an...
V. M. Sorokin, A. K. Yaschenko, M. Hayakawa
The influence of variations in conductivity and external electric current variations in the lower atmosphere on DC electric field over a seismic region is investigated. The external current is formed...
Rozhnoi, A., Solovieva, M., Molchanov, O., Hayakawa, M.
We analyze variations of the LF subionospheric signal amplitude and phase from JJY transmitter in Japan (F=40 kHz) received in Petropavlovsk-Kamchatsky station during seismically quiet and active...
Yonaiguchi, N., Ida, Y., Hayakawa, M., Masuda, S.
The VHF electromagnetic noise intensity data at several stations in the Tohoku area of Japan during the period of a rather large (with magnitude of 7.2) earthquake (Miyagi-ken oki earthquake) taken...
Application of different signal analysis methods to the ULF data for the 1993 Guam earthquake (2007)
Ida, Y., Hayakawa, M., Timashev, S.
Two different analysis methods; (1) mono-fractal analysis (based on Higuchi method) and (2) flicker noise spectroscopy, have been applied to the same ULF (frequency less than 10 Hz) electromagnetic...
Decrease in the electric intensity of VLF/LF radio signals and possible connections (2007)
Biagi, P. F., Castellana, L., Maggipinto, T., Maggipinto, G., Minafra, A., Ermini, A., ...
In February 2002, a receiver was put into operation at the Department of Physics of Bari University (Southern Italy) to record VLF-LF radio signals. The intensity and the phase of the signals...
Sorokin, V. M., Yaschenko, A. K., Hayakawa, M.
The influence of variations in conductivity and external electric current variations in the lower atmosphere on DC electric field over a seismic region is investigated. The external current is formed...
Rozhnoi, A., Solovieva, M., Molchanov, O., Hayakawa, M.
We analyze variations of the LF subionospheric signal amplitude and phase from JJY transmitter in Japan (F=40 kHz) received in Petropavlovsk-Kamchatsky station during seismically quiet and active...
Yonaiguchi, N., Ida, Y., Hayakawa, M., Masuda, S.
The VHF electromagnetic noise intensity data at several stations in the Tohoku area of Japan during the period of a rather large (with magnitude of 7.2) earthquake (Miyagi-ken oki earthquake) taken...
Application of different signal analysis methods to the ULF data for the 1993 Guam earthquake (2007)
Ida, Y., Hayakawa, M., Timashev, S.
Two different analysis methods; (1) mono-fractal analysis (based on Higuchi method) and (2) flicker noise spectroscopy, have been applied to the same ULF (frequency less than 10 Hz) electromagnetic...
Decrease in the electric intensity of VLF/LF radio signals and possible connections (2007)
Biagi, P. F., Castellana, L., Maggipinto, T., Maggipinto, G., Minafra, A., Ermini, A., ...
In February 2002, a receiver was put into operation at the Department of Physics of Bari University (Southern Italy) to record VLF-LF radio signals. The intensity and the phase of the signals...
Sorokin, V. M., Yaschenko, A. K., Hayakawa, M.
The influence of variations in conductivity and external electric current variations in the lower atmosphere on DC electric field over a seismic region is investigated. The external current is formed...
PIKfyve negatively regulates exocytosis in neurosecretory cells (2007)
Osborne, S. L., Wen, P. J., Boucheron, C., Nguyen, H. N., Hayakawa, M., Kaizawa, H., ...
Regulated secretion depends upon a highly co-ordinated series of protein-protein and protein-lipid interactions. Two phosphoinositides, PtdIns(4,5)P2 and PtdIns(3)P, are important for the...
Rozhnoi, A., Molchanov, O., Solovieva, M., Gladyshev, V., Akentieva, O., Berthelier, J. J., ...
The results of the monitoring of three VLF/LF signals collected in Petropavlovsk station (Kamchatka, Russia) and one VLF signal collected on board of the DEMETER French satellite are presented. Two...
Rozhnoi, A., Molchanov, O., Solovieva, M., Gladyshev, V., Akentieva, O., Berthelier, J. J., ...
The results of the monitoring of three VLF/LF signals collected in Petropavlovsk station (Kamchatka, Russia) and one VLF signal collected on board of the DEMETER French satellite are presented. Two...
PIKfyve negatively regulates exocytosis in neurosecretory cells (2007)
Osborne, S. L., Wen, P. J., Boucheron, C., Nguyen, H. N., Hayakawa, M., Kaizawa, H., ...
Regulated secretion depends upon a highly co-ordinated series of protein-protein and protein-lipid interactions. Two phosphoinositides, PtdIns(4,5)P2 and PtdIns(3)P, are important for the...
Decrease in the electric intensity of VLF/LF radio signals and possible connections (2007)
P. F. Biagi, L. Castellana, T. Maggipinto, G. Maggipinto, A. Minafra, A. Ermini, ...
In February 2002, a receiver was put into operation at the Department of Physics of Bari University (Southern Italy) to record VLF-LF radio signals. The intensity and the phase of the signals...
Application of different signal analysis methods to the ULF data for the 1993 Guam earthquake (2007)
Y. Ida, M. Hayakawa, S. Timashev
Two different analysis methods; (1) mono-fractal analysis (based on Higuchi method) and (2) flicker noise spectroscopy, have been applied to the same ULF (frequency less than 10 Hz) electromagnetic...
N. Yonaiguchi, Y. Ida, M. Hayakawa, S. Masuda
The VHF electromagnetic noise intensity data at several stations in the Tohoku area of Japan during the period of a rather large (with magnitude of 7.2) earthquake (Miyagi-ken oki earthquake) taken...
A. Rozhnoi, O. Molchanov, M. Solovieva, V. Gladyshev, O. Akentieva, J. J. Berthelier, ...
The results of the monitoring of three VLF/LF signals collected in Petropavlovsk station (Kamchatka, Russia) and one VLF signal collected on board of the DEMETER French satellite are presented. Two...
A. Rozhnoi, M. Solovieva, O. Molchanov, M. Hayakawa
We analyze variations of the LF subionospheric signal amplitude and phase from JJY transmitter in Japan (F=40 kHz) received in Petropavlovsk-Kamchatsky station during seismically quiet and active...
Automated Calculation Scheme for alpha^n Contributions of QED to Lepton g-2 (2006)
Aoyama, T., Hayakawa, M., Kinoshita, T., Nio, M.
This article reports an automated approach to the evaluation of higher-order terms of QED perturbation to anomalous magnetic moments of charged leptons by numerical means. We apply this approach to...
G. Cervone, S. Maekawa, R. P. Singh, M. Hayakawa, M. Kafatos, A. Shvets
Surface Latent Heat Flux (SLHF) is an atmospheric parameter proportional to the evaporation from the Earth's surface. SLHF has been found to exhibit an anomalous behavior in the epicentral region...
The flicker noise spectroscopy which is a new phenomenological method for the retrieval of information contained in chaotic time signals, is based on the analysis of recognizable irregularities...
An extremely large earthquake (with magnitude of 8.2) happened on 8 August 1993 near the Guam island, and ultra-low-frequency (ULF) (frequency less than 1 Hz) electromagnetic fields were measured by...
O. Molchanov, A. Rozhnoi, M. Solovieva, O. Akentieva, J. J. Berthelier, M. Parrot, ...
The analysis of the VLF signals radiated by ground transmitters and received on board of the French DEMETER satellite, reveals a drop of the signals (scattering spot) connected with the occurrence of...
An extremely large earthquake (with magnitude of 8.2) happened on 8 August 1993 near the Guam island, and ultra-low-frequency (ULF) (frequency less than 1 Hz) electromagnetic fields were measured by...
The flicker noise spectroscopy which is a new phenomenological method for the retrieval of information contained in chaotic time signals, is based on the analysis of recognizable irregularities...
Cervone, G., Maekawa, S., Singh, R. P., Hayakawa, M., Kafatos, M., Shvets, A.
Surface Latent Heat Flux (SLHF) is an atmospheric parameter proportional to the evaporation from the Earth's surface. SLHF has been found to exhibit an anomalous behavior in the epicentral region...
An extremely large earthquake (with magnitude of 8.2) happened on 8 August 1993 near the Guam island, and ultra-low-frequency (ULF) (frequency less than 1 Hz) electromagnetic fields were measured by...
The flicker noise spectroscopy which is a new phenomenological method for the retrieval of information contained in chaotic time signals, is based on the analysis of recognizable irregularities...
Cervone, G., Maekawa, S., Singh, R. P., Hayakawa, M., Kafatos, M., Shvets, A.
Surface Latent Heat Flux (SLHF) is an atmospheric parameter proportional to the evaporation from the Earth's surface. SLHF has been found to exhibit an anomalous behavior in the epicentral region...
Maekawa, S., Horie, T., Yamauchi, T., Sawaya, T., Ishikawa, M., Hayakawa, M., ...
A superimposed epoch analysis has been undertaken, in order to find the correlation of the ionospheric perturbations with seismic activity. We take the wave path from the Japanese LF transmitter...
Evidence on a link between the intensity of Schumann resonance and global surface temperature (2006)
Sekiguchi, M., Hayakawa, M., Nickolaenko, A. P., Hobara, Y.
A correlation is investigated between the intensity of the global electromagnetic oscillations (Schumann resonance) with the planetary surface temperature. The electromagnetic signal was monitored at...
Nickolaenko, A. P., Hayakawa, M., Sekiguchi, M., Ando, Y., Ohta, K.
This paper is a further extension of our latest observations and modeling by Hayakawa et al. (2005a), in which we discovered the anomalous behavior of Schumann resonance observed in Japan, in...
Maekawa, S., Horie, T., Yamauchi, T., Sawaya, T., Ishikawa, M., Hayakawa, M., ...
A superimposed epoch analysis has been undertaken, in order to find the correlation of the ionospheric perturbations with seismic activity. We take the wave path from the Japanese LF transmitter...
Evidence on a link between the intensity of Schumann resonance and global surface temperature (2006)
Sekiguchi, M., Hayakawa, M., Nickolaenko, A. P., Hobara, Y.
A correlation is investigated between the intensity of the global electromagnetic oscillations (Schumann resonance) with the planetary surface temperature. The electromagnetic signal was monitored at...
Nickolaenko, A. P., Hayakawa, M., Sekiguchi, M., Ando, Y., Ohta, K.
This paper is a further extension of our latest observations and modeling by Hayakawa et al. (2005a), in which we discovered the anomalous behavior of Schumann resonance observed in Japan, in...
Molchanov, O., Rozhnoi, A., Solovieva, M., Akentieva, O., Berthelier, J. J., Parrot, M., ...
The analysis of the VLF signals radiated by ground transmitters and received on board of the French DEMETER satellite, reveals a drop of the signals (scattering spot) connected with the occurrence of...
Molchanov, O., Rozhnoi, A., Solovieva, M., Akentieva, O., Berthelier, J. J., Parrot, M., ...
The analysis of the VLF signals radiated by ground transmitters and received on board of the French DEMETER satellite, reveals a drop of the signals (scattering spot) connected with the occurrence of...
Aoyama, T., Hayakawa, M., Kinoshita, T., Nio, M.
Among 12672 Feynman diagrams contributing to the electron anomalous magnetic moment at the tenth order, 6354 are the diagrams having no lepton loops, i.e., those of quenched type. Because the...
Electromagnetic properties of hadrons with two flavors of dynamical domain wall fermions (2005)
Yamada, N., Blum, T., Hayakawa, M., Izubuchi, T.
We present the determination of the light quark masses using electromagnetic splittings of pions and kaons. The meson masses are calculated on $SU(3)\times U(1)$ gauge configurations, where SU(3)...
Multifractal analysis for the ULF geomagnetic data during the 1993 Guam earthquake (2005)
Y. Ida, M. Hayakawa, A. Adalev, K. Gotoh
In our previous papers we have shown that the fractal (monofractal) dimension (Do) showed a significant increase before the Guam earthquake occurred on 8 August, 1993. In order to have a further...
Near-seismic effects in ULF fields and seismo-acoustic emission: statistics and explanation (2005)
O. Molchanov, A. Schekotov, M. Solovieva, E. Fedorov, V. Gladyshev, E. Gordeev, ...
Preseismic intensification of fracturing has been investigated from occurrence analysis of seismo-acoustic pulses (SA foreshocks) and ULF magnetic pulses (ULF foreshocks) observed in Karimshino...
A. Kotsarenko, O. Molchanov, M. Hayakawa, S. Koshevaya, V. Grimalsky, R. Pérez Enríquez, ...
Results of the ULF electromagnetic emission during the Izu, 2000 earthquake (EQ) swarm and Miyake volcano eruptions during the summer period of 2000 are presented and analyzed. The analysis of the...
Anomalies of LF signal during seismic activity in November–December 2004 (2005)
A. A. Rozhnoi, M. S. Solovieva, O. A. Molchanov, M. Hayakawa, S. Maekawa, P. F. Biagi
A signal transmitted by Japan Time Standard LF station (40 kHz, Fukushima prefecture) and recorded in Petropavlovsk-Kamchatski (Russia) is analyzed during a time interval from 1 July 2004 till...
DC electric field amplification in the mid-latitude ionosphere over seismically active faults (2005)
V. M. Sorokin, A. K. Yaschenko, V. M. Chmyrev, M. Hayakawa
DC electric field in the ionosphere above seismically active regions can be formed in a process of external current insertion into the atmosphere-ionosphere electric circuit. This current arises as a...
A. Serita, K. Hattori, C. Yoshino, M. Hayakawa, N. Isezaki
In order to extract any ULF signature associated with earthquakes, the principal component analysis (PCA) and singular spectral analysis (SSA) have been performed to investigate the possibility of...
P. F. Biagi, L. Castellana, T. Maggipinto, R. Piccolo, A. Minafra, A. Ermini, ...
On February 1996, a receiver able to measure the electric field strength of LF radio broadcastings, with a sampling frequency of ten minutes, was put into operation in a site (AS) located in central...
Multifractal analysis for the ULF geomagnetic data during the 1993 Guam earthquake (2005)
Ida, Y., Hayakawa, M., Adalev, A., Gotoh, K.
In our previous papers we have shown that the fractal (monofractal) dimension (Do) showed a significant increase before the Guam earthquake occurred on 8 August, 1993. In order to have a further...
Biagi, P. F., Castellana, L., Maggipinto, T., Piccolo, R., Minafra, A., Ermini, A., ...
On February 1996, a receiver able to measure the electric field strength of LF radio broadcastings, with a sampling frequency of ten minutes, was put into operation in a site (AS) located in central...
Serita, A., Hattori, K., Yoshino, C., Hayakawa, M., Isezaki, N.
In order to extract any ULF signature associated with earthquakes, the principal component analysis (PCA) and singular spectral analysis (SSA) have been performed to investigate the possibility of...
DC electric field amplification in the mid-latitude ionosphere over seismically active faults (2005)
Sorokin, V. M., Yaschenko, A. K., Chmyrev, V. M., Hayakawa, M.
DC electric field in the ionosphere above seismically active regions can be formed in a process of external current insertion into the atmosphere-ionosphere electric circuit. This current arises as a...
Anomalies of LF signal during seismic activity in November?December 2004 (2005)
Rozhnoi, A. A., Solovieva, M. S., Molchanov, O. A., Hayakawa, M., Maekawa, S., Biagi, P. F.
A signal transmitted by Japan Time Standard LF station (40 kHz, Fukushima prefecture) and recorded in Petropavlovsk-Kamchatski (Russia) is analyzed during a time interval from 1 July 2004 till 24...
Kotsarenko, A., Molchanov, O., Hayakawa, M., Koshevaya, S., Grimalsky, V., Pérez Enríquez, R., ...
Results of the ULF electromagnetic emission during the Izu, 2000 earthquake (EQ) swarm and Miyake volcano eruptions during the summer period of 2000 are presented and analyzed. The analysis of the...
Near-seismic effects in ULF fields and seismo-acoustic emission: statistics and explanation (2005)
Molchanov, O., Schekotov, A., Solovieva, M., Fedorov, E., Gladyshev, V., Gordeev, E., ...
Preseismic intensification of fracturing has been investigated from occurrence analysis of seismo-acoustic pulses (SA foreshocks) and ULF magnetic pulses (ULF foreshocks) observed in Karimshino...
Multifractal analysis for the ULF geomagnetic data during the 1993 Guam earthquake (2005)
Ida, Y., Hayakawa, M., Adalev, A., Gotoh, K.
In our previous papers we have shown that the fractal (monofractal) dimension (Do) showed a significant increase before the Guam earthquake occurred on 8 August, 1993. In order to have a further...
Biagi, P. F., Castellana, L., Maggipinto, T., Piccolo, R., Minafra, A., Ermini, A., ...
On February 1996, a receiver able to measure the electric field strength of LF radio broadcastings, with a sampling frequency of ten minutes, was put into operation in a site (AS) located in central...
Serita, A., Hattori, K., Yoshino, C., Hayakawa, M., Isezaki, N.
In order to extract any ULF signature associated with earthquakes, the principal component analysis (PCA) and singular spectral analysis (SSA) have been performed to investigate the possibility of...
DC electric field amplification in the mid-latitude ionosphere over seismically active faults (2005)
Sorokin, V. M., Yaschenko, A. K., Chmyrev, V. M., Hayakawa, M.
DC electric field in the ionosphere above seismically active regions can be formed in a process of external current insertion into the atmosphere-ionosphere electric circuit. This current arises as a...
Anomalies of LF signal during seismic activity in November?December 2004 (2005)
Rozhnoi, A. A., Solovieva, M. S., Molchanov, O. A., Hayakawa, M., Maekawa, S., Biagi, P. F.
A signal transmitted by Japan Time Standard LF station (40 kHz, Fukushima prefecture) and recorded in Petropavlovsk-Kamchatski (Russia) is analyzed during a time interval from 1 July 2004 till 24...
Kotsarenko, A., Molchanov, O., Hayakawa, M., Koshevaya, S., Grimalsky, V., Pérez Enríquez, R., ...
Results of the ULF electromagnetic emission during the Izu, 2000 earthquake (EQ) swarm and Miyake volcano eruptions during the summer period of 2000 are presented and analyzed. The analysis of the...
Near-seismic effects in ULF fields and seismo-acoustic emission: statistics and explanation (2005)
Molchanov, O., Schekotov, A., Solovieva, M., Fedorov, E., Gladyshev, V., Gordeev, E., ...
Preseismic intensification of fracturing has been investigated from occurrence analysis of seismo-acoustic pulses (SA foreshocks) and ULF magnetic pulses (ULF foreshocks) observed in Karimshino...
Hayakawa, M., Ohta, K., Nickolaenko, A. P., Ando, Y.
The Schumann resonance phenomenon has been monitored at Nakatsugawa (near Nagoya) in Japan since the beginning of 1999, and due to the occurance of a severe earthquake (so-called Chi-chi earthquake)...
Hayakawa, M., Ohta, K., Nickolaenko, A. P., Ando, Y.
The Schumann resonance phenomenon has been monitored at Nakatsugawa (near Nagoya) in Japan since the beginning of 1999, and due to the occurance of a severe earthquake (so-called Chi-chi earthquake)...
Loops versus Matrices - The nonperturbative aspects of noncritical string (2004)
Hanada, M., Hayakawa, M., Ishibashi, N., Kawai, H., Kuroki, T., Matsuo, Y., ...
The nonperturbative aspects of string theory are explored for non-critical string in two distinct formulations: loop equations and matrix models. The effects corresponding to D-brane in these...
A direction finding technique for the ULF electromagnetic source (2004)
V. V. Surkov, O. A. Molchanov, M. Hayakawa
A technique of direction finding is proposed, which can be applied to the magnetic-dipole type source located in the conductive ground. To distinguish a weak ULF source signal from the natural noise...
A. V. Shvets, M. Hayakawa, S. Maekawa
Results of simultaneous LF subionospheric monitoring over two different propagation paths prior to the very strong Tokachi earthquake (near the east coast of Hokkaido Island, 25 September 2003) of...
P. F. Biagi, R. Piccolo, L. Castellana, T. Maggipinto, A. Ermini, S. Martellucci, ...
At the beginning of 2002 an OmniPAL receiver was put into operation at the Department of Physics of Bari University (Southern Italy). The electric field strength of five VLF-LF signals transmitted...
O. Molchanov, E. Fedorov, A. Schekotov, E. Gordeev, V. Chebrov, V. Surkov, ...
We present a general concept of mechanisms of preseismic phenomena in the atmosphere and ionosphere. After short review of observational results we conclude: 1. Upward migration of fluid substrate...
Preseismic ULF effectand possible interpretation (2004)
Molchanov, O. A., Yu. Schekotov, A., Fedorov, E., Belyaev, G. G., Solovieva, M. S., Hayakawa, M.
We present the results of ULF magnetic field observation at Karimshino station (Kamchatka, Russia). Using a case study we discovered an effect of suppression of ULF intensity about 2-6 days before...
Depression of the ULF geomagnetic pulsation related to ionospheric irregularities (2004)
Sorokin, V. M., Fedorov, E. N., Yu. Schekotov, A., Molchanov, O. A., Hayakawa, M.
We consider a depression in intensity of ULF magnetic pulsations, which is observed on the ground surface due to appearance of the irregularities in the ionosphere. It is supposed that oblique Alfven...
Preseismic ULF effectand possible interpretation (2004)
Molchanov, O. A.; Schmidt United Institute Of Physics Of The Earth, Russian Academy Of Sciences, Moscow, Russia, Yu. Schekotov, A.; Schmidt United Institute Of Physics Of The Earth, Russian Academy Of Sciences, Moscow, Russia, Fedorov, E.; Schmidt United Institute Of Physics Of The Earth, Russian Academy Of Sciences, Moscow, Russia, Belyaev, G. G.; Institute Of Terrestrial Magnetism, Ionosphere And Radiowave Propagation (IZMIRAN), Russian Academy Of Science, Troitsk (Moscow Region), Russia, Solovieva, M. S.; Schmidt United Institute Of Physics Of The Earth, Russian Academy Of Sciences, Moscow, Russia, Hayakawa, M.; The University Of Electro-Communications, Chofugaoka, Chofu, Tokyo, Japan
We present the results of ULF magnetic field observation at Karimshino station (Kamchatka, Russia). Using a case study we discovered an effect of suppression of ULF intensity about 2-6 days before...
Depression of the ULF geomagnetic pulsation related to ionospheric irregularities (2004)
Sorokin, V. M.; Institute Of Terrestrial Magnetism, Ionosphere And Radiowave Propagation (IZMIRAN), Russian Academy Of Science, Troitsk (Moscow Region), Russia, Fedorov, E. N.; Schmidt United Institute Of Physics Of The Earth, Russian Academy Of Sciences, Moscow, Russia, Yu. Schekotov, A.; Schmidt United Institute Of Physics Of The Earth, Russian Academy Of Sciences, Moscow, Russia, Molchanov, O. A.; Schmidt United Institute Of Physics Of The Earth, Russian Academy Of Sciences, Moscow, Russia, Hayakawa, M.; Department Of Electronic Engineering, The University Of Electro-Communications, Tokyo, Japan
We consider a depression in intensity of ULF magnetic pulsations, which is observed on the ground surface due to appearance of the irregularities in the ionosphere. It is supposed that oblique Alfven...
Molchanov, O., Fedorov, E., Schekotov, A., Gordeev, E., Chebrov, V., Surkov, V., ...
We present a general concept of mechanisms of preseismic phenomena in the atmosphere and ionosphere. After short review of observational results we conclude: 1. Upward migration of fluid substrate...
Biagi, P. F., Piccolo, R., Castellana, L., Maggipinto, T., Ermini, A., Martellucci, S., ...
At the beginning of 2002 an OmniPAL receiver was put into operation at the Department of Physics of Bari University (Southern Italy). The electric field strength of five VLF-LF signals transmitted...
Shvets, A. V., Hayakawa, M., Maekawa, S.
Results of simultaneous LF subionospheric monitoring over two different propagation paths prior to the very strong Tokachi earthquake (near the east coast of Hokkaido Island, 25 September 2003) of...
A direction finding technique for the ULF electromagnetic source (2004)
Surkov, V. V., Molchanov, O. A., Hayakawa, M.
A technique of direction finding is proposed, which can be applied to the magnetic-dipole type source located in the conductive ground. To distinguish a weak ULF source signal from the natural noise...
Molchanov, O., Fedorov, E., Schekotov, A., Gordeev, E., Chebrov, V., Surkov, V., ...
We present a general concept of mechanisms of preseismic phenomena in the atmosphere and ionosphere. After short review of observational results we conclude: 1. Upward migration of fluid substrate...
Biagi, P. F., Piccolo, R., Castellana, L., Maggipinto, T., Ermini, A., Martellucci, S., ...
At the beginning of 2002 an OmniPAL receiver was put into operation at the Department of Physics of Bari University (Southern Italy). The electric field strength of five VLF-LF signals transmitted...
Shvets, A. V., Hayakawa, M., Maekawa, S.
Results of simultaneous LF subionospheric monitoring over two different propagation paths prior to the very strong Tokachi earthquake (near the east coast of Hokkaido Island, 25 September 2003) of...
A direction finding technique for the ULF electromagnetic source (2004)
Surkov, V. V., Molchanov, O. A., Hayakawa, M.
A technique of direction finding is proposed, which can be applied to the magnetic-dipole type source located in the conductive ground. To distinguish a weak ULF source signal from the natural noise...
Excitation of the ionospheric resonance cavity by neutral winds at middle latitudes (2004)
Surkov, V. V., Pokhotelov, O. A., Parrot, M., Fedorov, E. N., Hayakawa, M.
A new mechanism for the ionospheric Alfvén resonator (IAR) excitation at middle latitudes is considered. It is shown that the ionosphere wind system in this region is capable of sustaining the...
Excitation of the ionospheric resonance cavity by neutral winds at middle latitudes (2004)
Surkov, V. V., Pokhotelov, O. A., Parrot, M., Fedorov, E. N., Hayakawa, M.
A new mechanism for the ionospheric Alfvén resonator (IAR) excitation at middle latitudes is considered. It is shown that the ionosphere wind system in this region is capable of sustaining the...
Arterial supply of, and arterial preponderance in, the human interventricular septum. (2003)
Von Lüdinghausen, M., Hayakawa, M., Üzel, M.
Purpose of the study: To determine the pattern of arterial supply of, and eventual arterial preponderance in, the human interventricular septum (IVS). Material and methods: 100 human heart specimens...
Arterial supply of, and arterial preponderance in, the human interventricular septum. (2003)
Von Lüdinghausen, M., Hayakawa, M., Üzel, M.
Purpose of the study: To determine the pattern of arterial supply of, and eventual arterial preponderance in, the human interventricular septum (IVS). Material and methods: 100 human heart specimens...
V. S. Ismaguilov, Yu. A. Kopytenko, K. Hattori, M. Hayakawa
Results of study of anomaly behavior of amplitudes, phase velocities and gradients of ULF electromagnetic disturbances (F = 0.002 – 0.5 Hz) before and during a seismic active period are presented....
K. Gotoh, M. Hayakawa, N. Smirnova
In our recent papers we applied fractal methods to extract the earthquake precursory signatures from scaling characteristics of the ULF geomagnetic data, obtained in a seismic active region of Guam...
FDTD Analysis of ELF Wave Propagation in Inhomogeneous Subionospheric Waveguide Models (2003)
The space formed by the ground and ionosphere is know to act as a resonator for extremely low frequency (ELF) waves. Lightning discharges trigger this global resonance, which is known as Schumann...
Gotoh, K., Hayakawa, M., Smirnova, N.
In our recent papers we applied fractal methods to extract the earthquake precursory signatures from scaling characteristics of the ULF geomagnetic data, obtained in a seismic active region of Guam...
Ismaguilov, V. S., Kopytenko, Yu. A., Hattori, K., Hayakawa, M.
Results of study of anomaly behavior of amplitudes, phase velocities and gradients of ULF electromagnetic disturbances (F = 0.002 ? 0.5 Hz) before and during a seismic active period are presented....
Gotoh, K., Hayakawa, M., Smirnova, N.
In our recent papers we applied fractal methods to extract the earthquake precursory signatures from scaling characteristics of the ULF geomagnetic data, obtained in a seismic active region of Guam...
Ismaguilov, V. S., Kopytenko, Yu. A., Hattori, K., Hayakawa, M.
Results of study of anomaly behavior of amplitudes, phase velocities and gradients of ULF electromagnetic disturbances (F = 0.002 ? 0.5 Hz) before and during a seismic active period are presented....
Disturbances in LF radio-signals as seismic precursors (2001)
Biagi, P. F., Piccolo, R., Ermini, A., Martellucci, S., Bellecci, C., Hayakawa, M., ...
Low Frequency (LF) radio signals lie in the band 30-300 kHz. Monitoring equipment able to measure the electric strength of such signals, at field sites with very low noise levels, were designed and...
Disturbances in LF radio-signals as seismic precursors (2001)
Biagi, P. F.; INFM-Dipartimento Di Fisica, Università Di Bari, Italy, Piccolo, R.; INFM-Dipartimento Di Fisica, Università Di Bari, Italy, Ermini, A.; Dipartimento Di Scienze E Tecnologie Fisiche Ed Energetiche, Università «Tor Vergata», Roma, Italy, Martellucci, S.; Dipartimento Di Scienze E Tecnologie Fisiche Ed Energetiche, Università «Tor Vergata», Roma, Italy, Bellecci, C.; Dipartimento Di Scienze E Tecnologie Fisiche Ed Energetiche, Università «Tor Vergata», Roma, Italy, Hayakawa, M.; Department Of Electronic Engineering, The University Of Electro-Communications, Chofu, Tokyo, Japan, ...
Low Frequency (LF) radio signals lie in the band 30-300 kHz. Monitoring equipment able to measure the electric strength of such signals, at field sites with very low noise levels, were designed and...
Perturbative world-volume dynamics of the bosonic membrane and string (2001)
We study the world-volume theory of a bosonic membrane perturbatively and discuss if one can obtain any conditions on the number of space-time dimensions from the consistency of the theory. We...
Kopytenko, Y., Ismagilov, V., Hayakawa, M., Smirnova, N., Troyan, V., Peterson, T.
The results of ULF electromagnetic signal observations in seismoactive regions prior to earthquakes are presented and discussed. The new differential measurement technique developed in SPbF IZMIRAN...
Kopytenko, Y.; SPbF IZMIRAN, St. Petersburg, Russia, Ismagilov, V.; SPbF IZMIRAN, St. Petersburg, Russia, Hayakawa, M.; The University Of Electro-Communications, Chofu Tokyo, Japan, Smirnova, N.; Institute Of Physics, St. Petersburg University, St. Petersburg, Russia, Troyan, V.; Institute Of Physics, St. Petersburg University, St. Petersburg, Russia, Peterson, T.; TFPLAB, Cleveland, Ohio, U.S.A.
The results of ULF electromagnetic signal observations in seismoactive regions prior to earthquakes are presented and discussed. The new differential measurement technique developed in SPbF IZMIRAN...
Investigation of over-horizon VHF radio signals associated with earthquakes (2001)
Y. Fukumoto, M. Hayakawa, H. Yasuda
This paper presents the preliminary results on the possible reception of over-horizon VHF radio signals from a FM (frequency modulation) transmitter during abnormal situations (probably in close...
N. Smirnova, M. Hayakawa, K. Gotoh, D. Volobuev
The long-term evolution of scaling (fractal) characteristics of the ULF geomagnetic fields in the seismoactive region of the Guam Island is studied in relation to the strong (Ms = 8.0) nearby...
Study of electromagnetic emissions associated with seismic activity in Kamchatka region (2001)
V. Gladychev, L. Baransky, A. Schekotov, E. Fedorov, O. Pokhotelov, S. Andreevsky, ...
A review of data processing of electromagnetic emission observation collected at the Complex Geophysical Observatory Karimshino (Kamchatka peninsula) during the first 5 months (July–November, 2000)...
ULF magnetic emissions connected with under sea bottom earthquakes (2001)
V. S. Ismaguilov, Yu. A. Kopytenko, K. Hattori, P. M. Voronov, O. A. Molchanov, M. Hayakawa
Measurements of ULF electromagnetic disturbances were carried out in Japan before and during a seismic active period (1 February 2000 to 26 July 2000). A network consists of two groups of magnetic...
S. Uyeda, T. Nagao, K. Hattori, M. Hayakawa, K. Miyaki, O. Molchanov, ...
Regular monitoring of some geophysical parameters in association with seismicity has been carried out since last year at the Japan-Russian Complex Geophysical Observatory in the Kamchatka region....
A precursory ULF signature for the Chi-Chi earthquake in Taiwan (2001)
Y. Akinaga, M. Hayakawa, J. Y. Liu, K. Yumoto, K. Hattori
ULF emission data at Lunping (epicentral distance, 120 km) have been analysed for the Chi-Chi earthquake (with magnitude 7.6 and depth of 11 km) in Taiwan which occurred on 21 September 1999. Simple...
K. Ohta, K. Umeda, N. Watanabe, M. Hayakawa
ULF/ELF emission observation has been performed at Nakatsugawa observatory (geographic coordinates; 35.4° N, 137.5° E, Gifu prefecture) since January 1999. The equipment consists of...
Sh. Naaman, L. S. Alperovich, Sh. Wdowinski, M. Hayakawa, E. Calais
In this paper, perturbations of the ionospheric Total Electron Content (TEC) are compared with geomagnetic oscillations. Comparison is made for a few selected periods, some during earthquakes in...
Inductive seismo-electromagnetic effect in relation to seismogenic ULF emission (2001)
O. Molchanov, A. Kulchitsky, M. Hayakawa
During the seismic wave propagation through the crust, the electromagnetic pulse can originate due to MHD conversion in this conductive medium. On the assumption of simple models of seismic wave...
L. Alperovich, V. Zheludev, M. Hayakawa
We developed an algorithm especially adapted to single-station wavelet detection of geomagnetic events, which precede or accompany the earthquakes. The detection problem in this situation is...
Possible earthquake precursors revealed by LF radio signals (2001)
P. F. Biagi, R. Piccolo, A. Ermini, S. Martellucci, C. Bellecci, M. Hayakawa, ...
Among radio signals, low frequency (LF) radio signals lie in the band between 30–300 kHz. Monitoring equipment with the ability to measure the electric strength of such signals at field sites, were...
Yoshida, S., Tanaka, S., Hagermann, A., Hayakawa, M., Fujimura, A., Mizutani, H.
The relationship between the Th abundance and the heat flow data of the Apollo sites and the LUANR-A sites, where the Th concentrations are in the wide range from 1 ppm to 6 ppm, will allow for a...
Hagermann, A., Tanaka, S., Yoshida, S., Hayakawa, M., Fujimura, A., Mizutani, H.
For determining the lunar heat flow two parameters need to be measured: The thermal gradient and the thermal conductivity of the regolith. Methods for inferring these quantities from in situ...
In situ lunar heat flow experiment using the LUNAR-A penetrator (2001)
Tanaka, S., Yoshida, S., Hagermann, A., Hayakawa, M., Fujimura, A., Mizutani, M.
An in situ lunar heat flow measurement is planned using the Japanese Lunar-A penetrators. The temperature gradient of the regolith is expected to be obtained within 12% error.
Inductive seismo-electromagnetic effect in relation to seismogenic ULF emission (2001)
Molchanov, O., Kulchitsky, A., Hayakawa, M.
During the seismic wave propagation through the crust, the electromagnetic pulse can originate due to MHD conversion in this conductive medium. On the assumption of simple models of seismic wave...
Ohta, K., Umeda, K., Watanabe, N., Hayakawa, M.
ULF/ELF emission observation has been performed at Nakatsugawa observatory (geographic coordinates; 35.4° N, 137.5° E, Gifu prefecture) since January 1999. The equipment consists of...
A precursory ULF signature for the Chi-Chi earthquake in Taiwan (2001)
Akinaga, Y., Hayakawa, M., Liu, J. Y., Yumoto, K., Hattori, K.
ULF emission data at Lunping (epicentral distance, 120 km) have been analysed for the Chi-Chi earthquake (with magnitude 7.6 and depth of 11 km) in Taiwan which occurred on 21 September 1999. Simple...
ULF magnetic emissions connected with under sea bottom earthquakes (2001)
Ismaguilov, V. S., Kopytenko, Yu. A., Hattori, K., Voronov, P. M., Molchanov, O. A., Hayakawa, M.
Measurements of ULF electromagnetic disturbances were carried out in Japan before and during a seismic active period (1 February 2000 to 26 July 2000). A network consists of two groups of magnetic...
Uyeda, S., Nagao, T., Hattori, K., Hayakawa, M., Miyaki, K., Molchanov, O., ...
Regular monitoring of some geophysical parameters in association with seismicity has been carried out since last year at the Japan-Russian Complex Geophysical Observatory in the Kamchatka region....
Study of electromagnetic emissions associated with seismic activity in Kamchatka region (2001)
Gladychev, V., Baransky, L., Schekotov, A., Fedorov, E., Pokhotelov, O., Andreevsky, S., ...
A review of data processing of electromagnetic emission observation collected at the Complex Geophysical Observatory Karimshino (Kamchatka peninsula) during the first 5 months (July?November, 2000)...
Smirnova, N., Hayakawa, M., Gotoh, K., Volobuev, D.
The long-term evolution of scaling (fractal) characteristics of the ULF geomagnetic fields in the seismoactive region of the Guam Island is studied in relation to the strong (Ms = 8.0) nearby...
Investigation of over-horizon VHF radio signals associated with earthquakes (2001)
Fukumoto, Y., Hayakawa, M., Yasuda, H.
This paper presents the preliminary results on the possible reception of over-horizon VHF radio signals from a FM (frequency modulation) transmitter during abnormal situations (probably in close...
Possible earthquake precursors revealed by LF radio signals (2001)
Biagi, P. F., Piccolo, R., Ermini, A., Martellucci, S., Bellecci, C., Hayakawa, M., ...
Among radio signals, low frequency (LF) radio signals lie in the band between 30?300 kHz. Monitoring equipment with the ability to measure the electric strength of such signals at field sites, were...
Alperovich, L., Zheludev, V., Hayakawa, M.
We developed an algorithm especially adapted to single-station wavelet detection of geomagnetic events, which precede or accompany the earthquakes. The detection problem in this situation is...
Inductive seismo-electromagnetic effect in relation to seismogenic ULF emission (2001)
Molchanov, O., Kulchitsky, A., Hayakawa, M.
During the seismic wave propagation through the crust, the electromagnetic pulse can originate due to MHD conversion in this conductive medium. On the assumption of simple models of seismic wave...
Ohta, K., Umeda, K., Watanabe, N., Hayakawa, M.
ULF/ELF emission observation has been performed at Nakatsugawa observatory (geographic coordinates; 35.4° N, 137.5° E, Gifu prefecture) since January 1999. The equipment consists of...
A precursory ULF signature for the Chi-Chi earthquake in Taiwan (2001)
Akinaga, Y., Hayakawa, M., Liu, J. Y., Yumoto, K., Hattori, K.
ULF emission data at Lunping (epicentral distance, 120 km) have been analysed for the Chi-Chi earthquake (with magnitude 7.6 and depth of 11 km) in Taiwan which occurred on 21 September 1999. Simple...
ULF magnetic emissions connected with under sea bottom earthquakes (2001)
Ismaguilov, V. S., Kopytenko, Yu. A., Hattori, K., Voronov, P. M., Molchanov, O. A., Hayakawa, M.
Measurements of ULF electromagnetic disturbances were carried out in Japan before and during a seismic active period (1 February 2000 to 26 July 2000). A network consists of two groups of magnetic...
Uyeda, S., Nagao, T., Hattori, K., Hayakawa, M., Miyaki, K., Molchanov, O., ...
Regular monitoring of some geophysical parameters in association with seismicity has been carried out since last year at the Japan-Russian Complex Geophysical Observatory in the Kamchatka region....
Study of electromagnetic emissions associated with seismic activity in Kamchatka region (2001)
Gladychev, V., Baransky, L., Schekotov, A., Fedorov, E., Pokhotelov, O., Andreevsky, S., ...
A review of data processing of electromagnetic emission observation collected at the Complex Geophysical Observatory Karimshino (Kamchatka peninsula) during the first 5 months (July?November, 2000)...
Smirnova, N., Hayakawa, M., Gotoh, K., Volobuev, D.
The long-term evolution of scaling (fractal) characteristics of the ULF geomagnetic fields in the seismoactive region of the Guam Island is studied in relation to the strong (Ms = 8.0) nearby...
Investigation of over-horizon VHF radio signals associated with earthquakes (2001)
Fukumoto, Y., Hayakawa, M., Yasuda, H.
This paper presents the preliminary results on the possible reception of over-horizon VHF radio signals from a FM (frequency modulation) transmitter during abnormal situations (probably in close...
Possible earthquake precursors revealed by LF radio signals (2001)
Biagi, P. F., Piccolo, R., Ermini, A., Martellucci, S., Bellecci, C., Hayakawa, M., ...
Among radio signals, low frequency (LF) radio signals lie in the band between 30?300 kHz. Monitoring equipment with the ability to measure the electric strength of such signals at field sites, were...
Alperovich, L., Zheludev, V., Hayakawa, M.
We developed an algorithm especially adapted to single-station wavelet detection of geomagnetic events, which precede or accompany the earthquakes. The detection problem in this situation is...
Naaman, Sh., Alperovich, L. S., Wdowinski, Sh., Hayakawa, M., Calais, E.
In this paper, perturbations of the ionospheric Total Electron Content (TEC) are compared with geomagnetic oscillations. Comparison is made for a few selected periods, some during earthquakes in...
Naaman, Sh., Alperovich, L. S., Wdowinski, Sh., Hayakawa, M., Calais, E.
In this paper, perturbations of the ionospheric Total Electron Content (TEC) are compared with geomagnetic oscillations. Comparison is made for a few selected periods, some during earthquakes in...
Perturbative ultraviolet and infrared dynamics of noncommutative quantum field theory (2000)
Perturbative aspects of ultraviolet and infrared dynamics of noncommutative quantum field theory is examined in detail. It is observed that high loop momentum contribution to the nonplanar diagram...
Perturbative analysis on infrared and ultraviolet aspects of noncommutative QED on R^4 (1999)
Here we discuss the ultraviolet and infrared aspects of the noncommutative counterpart of QED, which is called as noncommutative QED, as well as some infrared dynamics of noncommutative Yang-Mills...
Perturbative analysis on infrared aspects of noncommutative QED on R^4 (1999)
Here we examine the noncommutative counterpart of QED, which is called as noncommutative QED. The theory is obtained by examining the consistent minimal coupling to noncommutative U(1) gauge field....
Muon g-2 and New Physics (1999)
Here we invoke the current and future perspective on muon $g-2$ measurement when asking what the muon $g-2$ could tell about the underlying structure concerning with the hierarchy problem. Here we...
The Modelling of VLF Trimpis using both Finite Element and 3D Born modelling (1998)
This paper investigates the numerical modelling of VLF Trimpis produced by a D region inhomogeneity on the Great Circle Path . Two different codes are used. The first is a 2D finite element method...
The Modelling of VLF Trimpis using both Finite Element and 3D Born modelling (1998)
This paper investigates the numerical modelling of VLF Trimpis produced by a D region inhomogeneity on the Great Circle Path . Two different codes are used. The first is a 2D finite element method...
The Modelling of VLF Trimpis using both Finite Element and 3D Born modelling (1998)
This paper investigates the numerical modelling of VLF Trimpis produced by a D region inhomogeneity on the Great Circle Path . Two different codes are used. The first is a 2D finite element method...
Tweed Contrast with (223) Habit in Arc-Melted Zirconia-Yttria Alloys. (1998)
Hayakawa, M., Adachi, K., Oka, M.
The habit planes of the tweed contrast which develops in arc-melted ZrO2-Y2O3 alloys were studied by electron microscopy along with the herringbone structure of the tetragonal phase. The tweed...
Hayakawa, M., Adachi, K., Oka, M.
During low temperature aging of an arc-melted ZrO2-2 mol% Y2O3 alloy, a herringbone structure of the m-phase developed. An electron microscopic study revealed that the structure comprised four...
VLF Trimpi modelling on the path NWC-Dunedin using both finite element and 3D Born modelling (1998)
This paper investigates the numerical modelling of VLF Trimpis produced by a D region inhomogeneity on the Great Circle Path . Two different codes are used. The first is a 2D finite element method...
VLF Trimpi modelling on the path NWC-Dunedin using both finite element and 3D Born modelling (1998)
This paper investigates the numerical modelling of VLF Trimpis produced by a D region inhomogeneity on the Great Circle Path . Two different codes are used. The first is a 2D finite element method...
VLF Trimpi modelling on the path NWC-Dunedin using both finite element and 3D Born modelling (1998)
This paper investigates the numerical modelling of VLF Trimpis produced by a D region inhomogeneity on the Great Circle Path . Two different codes are used. The first is a 2D finite element method...
The pseudoscalar pole contribution is the dominant source of the $ {\cal O}(\alpha^3) $ hadronic light-by-light scattering effect in muon $g - 2$. We have examined this contribution taking account of...
Measurement of CPT violation in the neutral kaon system (1997)
The basic feature of the measurement of CPT violation in the neutral kaon system is overviewed beginning with noting the physical implication of CPT violation. After describing $K^0-\bar{K}^0$ system...
Mass hierarchy from compositeness hierarchy in supersymmetric gauge theory (1997)
The possibility that the mass hierarchy is intimately associated with the compositeness level of the matters is proposed in supersymmetric gauge theory. This implies, for instance, that the preons...
Hadronic light-by-light scattering contribution to muon g-2 (1996)
Hayakawa, M., Kinoshita, T., Sanda, A.I.
The hadronic light-by-light scattering contribution to muon g-2 is examined based on the low energy effective theories of QCD, the Nambu–Jona-Lasinio model, and hidden local symmetry approach,...
The behavior of the $V^0$-$\pi^+$ scattering amplitude (where $V^0 = \rho^0 , \omega$ , or $\phi$) in the low pion momentum limit is studied motivated by its relevance to the theory of muon $g - 2$....
Hadronic Light-by-light Scattering Contribution to Muon $ g - 2 $ (1996)
Hayakawa, M., Kinoshita, T., Sanda, A. I.
The hadronic light-by-light scattering contribution to muon $g-2$ is examined based on the low energy effective theories of QCD, the Nambu-Jona-Lasinio model and hidden local symmetry approach,...
Hadronic Light-by-Light Scattering Effect on Muon g -2 (1995)
Hayakawa, M., Kinoshita, T., Sanda, A.I.
The hadronic light-by-light scattering contribution to muon g - 2 is examined using low energy effective theories of QCD, the Nambu-Jona-Lasinio model, and hidden local chiral symmetry, as guides....
Hadronic Light-by-light Scattering Effect on Muon g-2 (1995)
Hayakawa, M., Kinoshita, T., Sanda, A. I.
The hadronic light-by-light scattering contribution to muon $g-2$ is examined using low energy effective theories of QCD, the Nambu-Jona-Lasinio model and hidden local chiral symmetry, as guides. Our...
Hayakawa, M., Hatano, T., Higa, I., Osawa, A.
The lymphocyte-mediated cytotoxicity and cytokine production of patients under maintenance haemodialysis were studied. The patients were subdivided into two groups; 27 patients receiving...
Hayakawa, M, Morise, K, Chin, K, Sugihara, M, Morooka, Y, Maeda, H, ...
Chiral Lagrangian with higher resonances and flavour $ SU(3) $ breaking (1993)
Hayakawa, M., Kurimoto, T., Sanda, A. I.
A chiral Lagrangian with $ SU(3) $ breaking and higher resonances is proposed. In this model, the $ SU(3) $ breaking structure in vector-pseudoscalar sector is realized with the decay constants of...
Searching for T, CP, CPT, and ΔS = ΔQ rule violations in the neutral K meson system: A guide (1993)
It is known that the existing experimental limit for CPT violation is rather poor; the CPT-violating amplitude can be as large as 10% of the CP-violating one. The ΔS=ΔQ rule is tested only up to...
It is known that the existing experimental limit for$ CPT $ violation is rather poor; the 10 \% level at best. The $ \DSDQ $ rule is tested only up to 2 \%. In this note, we discuss the possibility...
Uyeda, S., Hayakawa, M., Nagao, T., Molchanov, O., Hattori, K., Orihara, Y., ...
Significant anomalous changes in the ultra low frequency range (≈0.01 Hz) were observed in both geoelectric and geomagnetic fields before the major volcano-seismic activity in the Izu Island...
Isolation and characterization of the sucrose 6-phosphate hydrolase gene from Streptococcus mutans.
Hayakawa, M, Aoki, H, Kuramitsu, H K
The Streptococcus mutans GS-5 gene, scrB, coding for sucrose 6-phosphate hydrolase activity has been cloned into Escherichia coli utilizing the bacteriophage replacement vector lambda L47.1. DNA...
Cloning of a Streptococcus mutans glucosyltransferase gene coding for insoluble glucan synthesis.
Aoki, H, Shiroza, T, Hayakawa, M, Sato, S, Kuramitsu, H K
The gtfB gene coding for a glucosyltransferase (GTF) activity of Streptococcus mutans GS-5 was isolated on a 15.4-kilobase DNA fragment by using a lambda L47.1 gene library. The activity was...
Missense mutation in the alternative splice region of the PAX6 gene in eye anomalies.
Azuma, N, Yamaguchi, Y, Handa, H, Hayakawa, M, Kanai, A, Yamada, M
The PAX6 gene is involved in ocular morphogenesis, and PAX6 mutations have been detected in various types of ocular anomalies, including aniridia, Peters anomaly, corneal dystrophy, congenital...
Uyeda, S., Hayakawa, M., Nagao, T., Molchanov, O., Hattori, K., Orihara, Y., ...
Significant anomalous changes in the ultra low frequency range (≈0.01 Hz) were observed in both geoelectric and geomagnetic fields before the major volcano-seismic activity in the Izu Island...
Isolation and characterization of the sucrose 6-phosphate hydrolase gene from Streptococcus mutans.
Hayakawa, M, Aoki, H, Kuramitsu, H K
The Streptococcus mutans GS-5 gene, scrB, coding for sucrose 6-phosphate hydrolase activity has been cloned into Escherichia coli utilizing the bacteriophage replacement vector lambda L47.1. DNA...
Cloning of a Streptococcus mutans glucosyltransferase gene coding for insoluble glucan synthesis.
Aoki, H, Shiroza, T, Hayakawa, M, Sato, S, Kuramitsu, H K
The gtfB gene coding for a glucosyltransferase (GTF) activity of Streptococcus mutans GS-5 was isolated on a 15.4-kilobase DNA fragment by using a lambda L47.1 gene library. The activity was...
Missense mutation in the alternative splice region of the PAX6 gene in eye anomalies.
Azuma, N, Yamaguchi, Y, Handa, H, Hayakawa, M, Kanai, A, Yamada, M
The PAX6 gene is involved in ocular morphogenesis, and PAX6 mutations have been detected in various types of ocular anomalies, including aniridia, Peters anomaly, corneal dystrophy, congenital...
An atypical Leber's hereditary optic neuropathy with the 11778 mutation.
Hotta, Y, Hayakawa, M, Fujiki, K, Shinohara, K, Sado, K, Kanai, A, ...
Mutations in the Norrie disease gene: a new mutation in a Japanese family.
Isashiki, Y, Ohba, N, Yanagita, T, Hokita, N, Hotta, Y, Hayakawa, M, ...
Gyrate atrophy of the choroid and retina: 15 Japanese patients.
Hayasaka, S, Shiono, T, Mizuno, K, Sasayama, C, Akiya, S, Tanaka, Y, ...
We examined 15 Japanese patients who had gyrate atrophy of the choroid and retina with hyperornithinaemia. Their visual acuities fell to 0.2 or worse in the second or third decade of life. Myopia...
Yamada, M, Itoh, Y, Otomo, E, Hayakawa, M, Miyatake, T
To clarify the contribution of cerebral amyloid angiopathy (CAA) to subarachnoid haemorrhage (SAH) in the elderly, relationships between SAH and CAA were investigated in 997 necropsy cases aged 60...
Yamada, M, Wada, Y, Tsukagoshi, H, Otomo, E, Hayakawa, M
Basal dendrites of hippocampal CA1 pyramidal cells in senile dementia of Alzheimer type (SDAT) were studied quantitatively by the Golgi impregnation method. The present data suggested that basal...
Hayakawa, M, Okumura, A, Hayakawa, F, Watanabe, K, Ohshiro, M, Kato, Y, ...
AIMS—To clarify the features of the background electroencephalographic (EEG) activities in clinically well preterm infants born at less than 27 weeks gestation and to outline their chronological...
Sumitomo, M, Tachibana, M, Murai, M, Hayakawa, M, Nakamura, H, Takayanagi, A, ...
We investigated the interaction of endogenous interleukin (IL)-1β, IL-1ra, and interleukin-1β converting enzyme (ICE) in four human urological cancer cell lines, KU-19-19, KU-1, KU-2 and KU-19-20....