A Cooper pair light emitting diode (2009)
Sasakura, H., Kuramitsu, S., Hayashi, Y., Tanaka, K., Akazaki, T., Hanamura, E., ...
We demonstrate Cooper-pair's drastic enhancement effect on band-to-band radiative recombination in a semiconductor. Electron Cooper pairs injected from a superconducting electrode into an active...
Backward-angle photoproduction of eta meson from protons at E_gamma = 1.6 - 2.4 GeV (2009)
Sumihama, M., Ahn, D. S., Ahn, J. K., Akimune, H., Asano, Y., Chang, W. C., ...
Differential cross sections for eta photoproduction off protons have been measured at E_gamma = 1.6 - 2.4 GeV in the backward direction. A bump structure has been observed above 2.0 GeV in the total...
Parity violation in a single domain of spin-triplet Sr2RuO4 superconductors (2009)
Nobukane, H., Inagaki, K., Ichimura, K., Yamaya, K., Takayanagi, S., Kawasaki, I., ...
We observed an unconventional parity-violating vortex in single domain Sr2RuO4 single crystals using a transport measurement. The current-voltage characteristics of submicron Sr2RuO4 shows that the...
Reduction of the incoherent $\gamma d \to \phi p n$ photoproduction near threshold (2009)
Chang, W. C., Miyabe, M., Nakano, T., Ahn, D. S., Ahn, J. K., Akimune, H., ...
We report measurements of differential cross sections and decay asymmetries of incoherent $\phi$-meson photoproduction from the deuteron at forward angles using linearly-polarized photons at...
Near-threshold photoproduction of $\Lambda(1520)$ from protons and deuterons (2009)
Muramatsu, LEPS Collaboration: N., Chen, J. Y., Chang, W. C., Ahn, D. S., Ahn, J. K., Akimune, H., ...
Photoproduction of $\Lambda$(1520) with liquid hydrogen and deuterium targets was examined at photon energies below 2.4 GeV in the SPring-8 LEPS experiment. For the first time, the differential cross...
Evidence of the \Theta^+ in the \gamma d \to K^+K^-pn reaction (2008)
Nakano, T., Muramatsu, N., Ahn, D. S., Ahn, J. K., Akimune, H., Asano, Y., ...
The \gamma d \to K^+K^-pn reaction has been studied to search for the evidence of the \Theta^+ by detecting K^+K^- pairs at forward angles. The Fermi-motion corrected nK^+ invariant mass distribution...
Anomalous Transport through the p-Wave Superconducting Channel in the 3-K Phase of Sr2RuO4 (2008)
Kambara, H., Kashiwaya, S., Yaguchi, H., Asano, Y., Tanaka, Y., Maeno, Y.
Using micro fabrication techniques, we extracted individual channels of 3-Kelvin (3-K) phase superconductivity in Sr2RuO4-Ru eutectic systems and confirmed odd-parity superconductivity in the 3-K...
Parity Violation in a Single Domain of Spin-Triplet Sr2RuO4 Superconductors (2008)
Nobukane, H., Inagaki, K., Ichimura, K., Yamaya, K., Takayanagi, S., Kawasaki, I., ...
We observed an unconventional parity-violating vortex in single domain Sr2RuO4 single crystals using a transport measurement. The current-voltage characteristics of submicron Sr2RuO4 shows that the...
Structure of the near-Earth plasma sheet during tailward flows (2008)
Runov, A., Voronkov, I., Asano, Y., Baumjohann, W., Fujimoto, M., Nakamura, R., ...
A detailed analysis of successive tailward flow bursts in the near-Earth magnetotail (X~-19 RE) plasma sheet is performed on the basis of in-situ multi-point observations by the Cluster spacecraft on...
Structure of the near-Earth plasma sheet during tailward flows (2008)
Runov, A., Voronkov, I., Asano, Y., Baumjohann, W., Fujimoto, M., Nakamura, R., ...
A detailed analysis of successive tailward flow bursts in the near-Earth magnetotail (X~-19 RE) plasma sheet is performed on the basis of in-situ multi-point observations by the Cluster spacecraft on...
Cooper Pair Shape in Normal-metal/Superconductor Junctions (2007)
Tanaka, Y., Asano, Y., Golubov, A. A.
In s-wave superconductors the Cooper pair wave function is isotropic in momentum space. This property may also be expected for Cooper pairs entering a normal metal from a superconductor due to the...
Backward-angle photoproduction of $\pi^0$ mesons on the proton at $E_\gamma$ = 1.5--2.4 GeV (2007)
Sumihama, M., Ahn, J. K., Akimune, H., Asano, Y., Chang, W. C., Daté, S., ...
Differential cross sections and photon beam asymmetries for $\pi^0$ photoproduction have been measured at $E_\gamma$ = 1.5--2.4 GeV and at the $\pi^0$ scattering angles, --1 $
Forward coherent $\phi$-meson photoproduction from deuterons near threshold (2007)
Chang, W. C., Horie, K., Shimizu, S., Miyabe, M., Ahn, D. S., Ahn, J. K., ...
Differential cross sections and decay asymmetries for coherent $\phi$-meson photoproduction from deuterons were measured for the first time at forward angles using linearly polarized photons at...
Spectral scaling in the turbulent Earth's plasma sheet revisited (2007)
Vörös, Z., Baumjohann, W., Nakamura, R., Runov, A., Volwerk, M., Asano, Y., ...
Spectral scaling in the turbulent Earth's plasma sheet revisited (2007)
Vörös, Z., Baumjohann, W., Nakamura, R., Runov, A., Volwerk, M., Asano, Y., ...
Bursty bulk flow associated magnetic fluctuations exhibit at least three spectral scaling ranges in the Earth's plasma sheet. Two of the three scaling ranges can be associated with multi-scale...
Spectral scaling in the turbulent Earth's plasma sheet revisited (2007)
Vörös, Z., Baumjohann, W., Nakamura, R., Runov, A., Volwerk, M., Asano, Y., ...
Bursty bulk flow associated magnetic fluctuations exhibit at least three spectral scaling ranges in the Earth's plasma sheet. Two of the three scaling ranges can be associated with multi-scale...
Spectral scaling in the turbulent Earth's plasma sheet revisited (2007)
Z. Vörös, W. Baumjohann, R. Nakamura, A. Runov, M. Volwerk, Y. Asano, ...
Bursty bulk flow associated magnetic fluctuations exhibit at least three spectral scaling ranges in the Earth's plasma sheet. Two of the three scaling ranges can be associated with multi-scale...
Kaji, K., Fujimoto, M., Hasegawa, M., Kondo, M., Saito, Y., Komura, K., ...
Objective. Myositis-specific autoantibodies (MSAs) are a useful tool in diagnosis, defining clinical subsets and predicting prognosis of dermatomyositis (DM) and polymyositis (PM). In this study, we...
Alfvén waves in the near-PSBL lobe: cluster observations (2006)
Takada, T., Nakamura, R., Baumjohann, W., Seki, K., Vörös, Z., Asano, Y., ...
A statistical survey of the magnetotail current sheet (2006)
Zhang, T. L., Baumjohann, W., Nakamura, R., Runov, A., Volwerk, M., Asano, Y., ...
Dynamics of thin current sheets associated with magnetotail reconnection (2006)
Nakamura, R., Baumjohann, W., Asano, Y., Runov, A., Balogh, A., Owen, C. J., ...
Nonmonotonic temperature dependence of critical current in diffusive d-wave junctions (2006)
Yokoyama, T., Tanaka, Y., Golubov, A.A., Asano, Y.
We study the Josephson effect in D/I/DN/I/D junctions, where I, DN, and D denote an insulator, a diffusive normal metal, and a d-wave superconductor, respectively. The Josephson current is calculated...
Alfvén waves in the near-PSBL lobe: Cluster observations (2006)
Takada, T., Nakamura, R., Baumjohann, W., Seki, K., Vörös, Z., Asano, Y., ...
Electromagnetic low-frequency waves in the magnetotail lobe close to the PSBL (Plasma Sheet Boundary Layer) are studied using the Cluster spacecraft. The lobe waves show Alfvénic properties and...
Local structure of the magnetotail current sheet: 2001 Cluster observations (2006)
Runov, A., Sergeev, V. A., Nakamura, R., Baumjohann, W., Apatenkov, S., Asano, Y., ...
Thirty rapid crossings of the magnetotail current sheet by the Cluster spacecraft during July-October 2001 at a geocentric distance of 19 RE are examined in detail to address the structure of the...
Alfvén waves in the near-PSBL lobe: Cluster observations (2006)
Takada, T., Nakamura, R., Baumjohann, W., Seki, K., Vörös, Z., Asano, Y., ...
Electromagnetic low-frequency waves in the magnetotail lobe close to the PSBL (Plasma Sheet Boundary Layer) are studied using the Cluster spacecraft. The lobe waves show Alfvénic properties and...
Local structure of the magnetotail current sheet: 2001 Cluster observations (2006)
Runov, A., Sergeev, V. A., Nakamura, R., Baumjohann, W., Apatenkov, S., Asano, Y., ...
Thirty rapid crossings of the magnetotail current sheet by the Cluster spacecraft during July-October 2001 at a geocentric distance of 19 RE are examined in detail to address the structure of the...
SUMIHAMA, M, AHN, JK, AKIMUNE, H, ASANO, Y, BENNHOLD, C, CHANG, WC, ...
Kaji, K., Fujimoto, M., Hasegawa, M., Kondo, M., Saito, Y., Komura, K., ...
Objective. Myositis-specific autoantibodies (MSAs) are a useful tool in diagnosis, defining clinical subsets and predicting prognosis of dermatomyositis (DM) and polymyositis (PM). In this study, we...
Asano, Y., Ihn, H., Kubo, M., Jinnin, M., Mimura, Y., Ashida, R., ...
Objectives. To investigate the clinical significance of serum matrix metalloproteinase-13 (MMP-13) levels in patients with systemic sclerosis (SSc). Methods. Serum MMP-13 levels were determined by...
Constitutively phosphorylated Smad3 interacts with Sp1 and p300 in scleroderma fibroblasts (2006)
Ihn, H., Yamane, K., Asano, Y., Jinnin, M., Tamaki, K.
Objective. To elucidate the role of transforming growth factor-β (TGF-β)/Smad signalling in the increased expression of the collagen gene in systemic sclerosis (SSc) fibroblasts. Methods....
Kaji, K., Fujimoto, M., Hasegawa, M., Kondo, M., Saito, Y., Komura, K., ...
Objective. Myositis-specific autoantibodies (MSAs) are a useful tool in diagnosis, defining clinical subsets and predicting prognosis of dermatomyositis (DM) and polymyositis (PM). In this study, we...
Measurement of K^+ \to \pi^0 \mu^+ \nu \gamma decay using stopped kaons (2005)
Horie, K., Aliev, M. A., Asano, Y., Baker, T., Depommier, P., ...
The K^+ \to \pi^0 \mu^+ \nu \gamma ($K_{\mu 3 \gamma}$) decay has been measured with stopped positive kaons at the KEK 12 GeV proton synchrotron. A $K_{\mu 3 \gamma}$ sample containing 125 events was...
New result on the measurement of the direct photon emission in K+ --> pi^+ pi^0 gamma decay (2005)
Aliev, M. A., Asano, Y., Depommier, P.
We present a new result on the K^+ --> pi^+ pi^0 gamma decay measurement using stopped kaons. The best fit to the decay spectrum comprised of 10k events gives a branching ratio for the direct photon...
Anomalous features of the proximity effect in triplet superconductors (2005)
Tanaka, Y., Asano, Y., Golubov, A. A., Kashiwaya, S.
Anomalous features of the proximity effect specific to diffusive normal metal / triplet superconductor (DN/TS) junctions are studied within the quasiclassical Green's function formalism. The pair...
Josephson interferometer in a ring topology as a symmetry prove of Sr_2RuO_4 (2005)
Asano, Y., Tanaka, Y., Sigrist, M., Kashiwaya, S.
The Josephson effect is theoretically studied in two types of SQUIDs consisting of $s$ wave superconductor and Sr$_2$RuO$_4$. Results show various response of the critical Josephson current to...
How typical are atypical current sheets? (2005)
Asano, Y., Nakamura, R., Baumjohann, W., Runov, A., Vörös, Z., Volwerk, M., ...
Multi-point observation of the high-speed flows in the plasma sheet (2005)
Nakamura, R., Baumjohann, W., Mouikis, C., Kistler, L.M., Runov, A., Volwerk, M., ...
Electric current and magnetic field geometry in flapping magnetotail current sheets (2005)
Runov, A., Sergeev, V. A., Baumjohann, W., Nakamura, R., Apatenkov, S., Asano, Y., ...
Theory of thermal and charge transport in diffusive normal metal / superconductor junctions (2005)
Yokoyama, T., Tanaka, Y., Golubov, A.A., Asano, Y.
Thermal and charge transport in diffusive normal metal (DN)/insulator/s-, d-, and p-wave superconductor junctions are studied based on the Usadel equation with the Nazarov's generalized boundary...
Anomalous features of the proximity effect in triplet superconductors (2005)
Tanaka, Y., Asano, Y., Golubov, A.A., Kashiwaya, S.
Anomalous features of the proximity effect specific to diffusive normal metal (DN) / triplet superconductor junctions are studied within the quasiclassical Green¿s function formalism. The pair...
Yokoyama, T., Tanaka, Y., Golubov, A.A., Inoue, J., Asano, Y.
Charge transport in the diffusive normal metal (DN)/insulator/s- and d-wave superconductor junctions is studied in the presence of magnetic impurities in DN in the framework of the quasiclassical...
Cluster and Double Star observations of dipolarization (2005)
Nakamura, R., Baumjohann, W., Zhang, T. L., Carr, C. M., Balogh, A., ...
We studied two types of dipolarization events with different IMF conditions when Cluster and Double Star (TC-1) were located in the same local time sector: 7 August 2004, 18:00-24:00 UT, during a...
Electric current and magnetic field geometry in flapping magnetotail current sheets (2005)
Runov, A., Sergeev, V. A., Baumjohann, W., Nakamura, R., Apatenkov, S., Asano, Y., ...
Using four-point magnetic field measurements by the Cluster spacecraft, we statistically analyze the magnetic field and electric current configurations during rapid crossings of the current sheet...
Cluster and Double Star observations of dipolarization (2005)
Nakamura, R., Baumjohann, W., Zhang, T. L., Carr, C. M., Balogh, A., ...
We studied two types of dipolarization events with different IMF conditions when Cluster and Double Star (TC-1) were located in the same local time sector: 7 August 2004, 18:00-24:00 UT, during a...
Electric current and magnetic field geometry in flapping magnetotail current sheets (2005)
Runov, A., Sergeev, V. A., Baumjohann, W., Nakamura, R., Apatenkov, S., Asano, Y., ...
Using four-point magnetic field measurements by the Cluster spacecraft, we statistically analyze the magnetic field and electric current configurations during rapid crossings of the current sheet...
Suga, C., Matsumoto, K., Kato, R., Uenishi, M., Namiki, T., Asano, Y., ...
Objectives We evaluated whether pacing algorithms (PA) triggered by onset mechanism (OM) of atrial fibrillation (AF) were actually effective. Methods Ten patients (5males, mean age...
Asano, Y., Ihn, H., Asashima, N., Yazawa, N., Mimura, Y., Jinnin, M., ...
Asano, Y., Ihn, H., Asashima, N., Yazawa, N., Mimura, Y., Jinnin, M., ...
Constitutively phosphorylated Smad3 interacts with Sp1 and p300 in scleroderma fibroblasts (2005)
Ihn, H., Yamane, K., Asano, Y., Jinnin, M., Tamaki, K.
Objective. To elucidate the role of transforming growth factor-β (TGF-β)/Smad signalling in the increased expression of the collagen gene in systemic sclerosis (SSc) fibroblasts. Methods. Dermal...
Asano, Y., Ihn, H., Kubo, M., Jinnin, M., Mimura, Y., Ashida, R., ...
Objectives. To investigate the clinical significance of serum matrix metalloproteinase-13 (MMP-13) levels in patients with systemic sclerosis (SSc). Methods. Serum MMP-13 levels were determined by...
Liu, J. C., Fasso, A., Prinz, A., Rokni, S., Asano, Y.
STAC8 is a significant improvement upon its predecessor PHOTON and is a valuable analytical code for quick and conservative beamline shielding designs for synchrotron radiation (SR) facilities. In...
Shimizu, S., Horie, K., Aliev, M., Asano, Y., Baker, T., Depommier, P., ...
The $K^+ \to \pi^0 \pi^0 e^+ \nu$ ($K_{e4}^{00}$) decay has been measured with stopped positive kaons for a data sample of 216 events. A comparison of the observed spectra with a Monte Carlo...
Abe, M., Aliev, M., Anisimovsky, V., Aoki, M., Asano, Y., Baker, T., ...
A search for T-violating transverse muon polarization ($P_T$) in the $K^{+}\to \pi^{0}\mu^{+}\nu$ decay was performed using kaon decays at rest. A new improved value, $P_T= -0.0017\pm 0.0023...
Spatial scale of high-speed flows in the plasma sheet observed by Cluster (2004)
Nakamura, R., Baumjohann, W., Mouikis, C., Kistler, L. M., Runov, A., Volwerk, M., ...
Properties of a bifurcated current sheet observed on 29 August 2001 (2004)
Runov, A., Sergeev, V., Nakamura, R., Baumjohann, W., Vörös, Z., Volwerk, M., ...
Properties of a bifurcated current sheet observed on 29 August 2001 (2004)
Runov, A., Sergeev, V., Nakamura, R., Baumjohann, W., Vörös, Z., Volwerk, M., ...
Ion density, velocity and temperature, measured by Cluster spacecraft in the plasma sheet during an isolated substorm at 10:20-11:15 UT, 29 August 2001 are discussed. The Custer/CODIF data for...
Properties of a bifurcated current sheet observed on 29 August 2001 (2004)
Runov, A., Sergeev, V., Nakamura, R., Baumjohann, W., Vörös, Z., Volwerk, M., ...
Ion density, velocity and temperature, measured by Cluster spacecraft in the plasma sheet during an isolated substorm at 10:20-11:15 UT, 29 August 2001 are discussed. The Custer/CODIF data for...
Josephson effect in quasi one-dimensional unconventional superconductors (2003)
Asano, Y., Tanaka, Y., Tanuma, Y., Kuroki, K., Tsuchiura, H.
Josephson effect in junctions of quasi one-dimensional triangular lattice superconductors is discussed, where the theoretical model corresponds to organic superconductors (TMTSF)_2PF_6. We assume the...
Tunneling Spectra of Skutterudite PrOs_4Sb_{12} (2003)
Asano, Y., Tanaka, Y., Matsuda, Y., Kashiwaya, S.
The tunnel conductance in normal-metal / insulator / PrOs$_4$Sb$_{12}$ junctions is theoretically studied, where skutterudite PrOs$_4$Sb$_{12}$ is considered to be an unconventional superconductor....
Sumihama, M., Ahn, D. S., Ahn, J. K., Akimune, H., Asano, Y., ...
Beam polarization asymmetries for the p(gamma,K+)Lambda and p(gamma,K+)sigma0 reactions are measured for the first time for Egamma=1.5-2.4 GeV and 0.6
A statistical study of compressional waves in the tail current sheet (2003)
Volwerk, M., Nakamura, R., Baumjohann, W., Treumann, R. A., Runov, A., Vörös, Z., ...
Jinnin, M., Ihn, H., Yamane, K., Asano, Y., Yazawa, N., Tamaki, K.
Objective. To determine the frequency and clinical significance of plasma plasmin–α2‐plasmin inhibitor complex (PIC) in patients with systemic sclerosis (SSc). Methods....
Josephson current in s-wave superconductor / Sr_2RuO_4 junctions (2002)
Asano, Y., Tanaka, Y., Sigrist, M., Kashiwaya, S.
The Josephson current between an s-wave and a spin-triplet superconductor Sr$_2$RuO$_4$ (SRO) is studied theoretically. In spin-singlet / spin-triplet superconductor junctions, there is no Josephson...
Ihn, H., Asano, Y., Kubo, M., Yamane, K., Jinnin, M., Yazawa, N., ...
Objective. To determine the clinical significance of serum surfactant protein D (SP‐D) levels in patients with polymyositis/dermatomyositis (PM/DM). Methods. Serum...
Anti-U5 snRNP antibody as a possible serological marker for scleroderma-polymyositis overlap (2002)
Kubo, M., Ihn, H., Kuwana, M., Asano, Y., Tamaki, T., Yamane, K., ...
Objective. To determine the prevalence of the anti‐U5 small nuclear ribonucleoprotein (snRNP) antibody in patients with systemic sclerosis. Methods. Sera from 281 patients with...
We discuss the Josephson current in superconductor / dirty normal conductor / superconductor junctions, where the superconductors have $d_{x^2-y^2}$ pairing symmetry. The low-temperature behavior of...
Antibodies to Th/To ribonucleoprotein in patients with localized scleroderma (2001)
Yamane, K., Ihn, H., Kubo, M., Kuwana, M., Asano, Y., Yazawa, N., ...
Objective. Antibodies to Th/To ribonucleoprotein (anti‐Th/To) have been detected almost exclusively in patients with systemic sclerosis. Therefore, we aimed to determine...
Clinical and laboratory features of scleroderma patients with pulmonary hypertension (2000)
Yamane, K., Ihn, H., Asano, Y., Yazawa, N., Kubo, M., Kikuchi, K., ...
Objective. Pulmonary hypertension (PH) is a frequent cause of death in patients with systemic sclerosis (SSc). In this study, we examined the occurrence of PH and investigated...
Magnetoconductance Oscillations in Ballistic Semiconductor-Superconductor Junctions (1999)
The mechanism of the magnetoconductance oscillations in junctions of a ballistic semiconductor and a superconductor is discussed. The oscillations appear when both the normal and the Andreev...
Kusano, E, Akimoto, T, Inoue, M, Masunaga, Y, Umino, T, Ono, S, ...
SPring-8, one of the most advanced synchrotron radiation facilities, generates synchrotron radiation with extremely high intensity and high energy by using insertion devices. The high power...
Yamada, T., Fukunami, M., Shimonagata, T., Kumagai, K., Sanada, S., Ogita, H., ...
Aims This study sought to investigate whether the spatial dispersion of signal-averaged P wave duration would be increased in patients with paroxysmal atrial fibrillation, by use of precordial...
Nariyama, N., Tanaka, S., Nakane, Y., Asano, Y., Hirayama, H., Ban, S., ...
Energy and dose responses of Li2B4O7:Cu, BeO and CaSO4:Tm TLDs were obtained from the glow curves measured for 10-40 keV monoenergetic photons from synchrotron radiation. The energy responses of...
Pak3 inhibits local actin filament formation to regulate global cell polarity
Asano, Y., Jiménez-Dalmaroni, A., Liverpool, T. B., Marchetti, M. C., Giomi, L., Kiger, A., ...
Lamellipodia are broad actin-based structures that define the protruding edge of many motile animal cells. Here we identify a Drosophila homolog of the p21-activated kinases (Paks) as a novel...