Nasu, J., Nagano, A., Naka, M., Ishihara, S.
We study a doubly-degenerate orbital model on a honeycomb attice. This is a model for orbital states in multiferroic layered iron oxides. The classical and quantum models are analyzed by spin-wave...
Nagano, A., Naka, M., Nasu, J., Ishihara, S.
A layered iron oxide \rfeo ($R$: rare-earth elements) is an exotic dielectric material with charge-order (CO) driven electric polarization and magnetoelectric effect caused by spin-charge coupling....
Bulk consolidation of non-oxide ceramic powders derived from polymer precursors (2006)
Ishihara, S., Nishimura, T., Bill, J., Aldinger, F., Wakai, F.
Randomly Diluted e_g Orbital-Ordered Systems (2005)
Tanaka, T., Matsumoto, M., Ishihara, S.
Dilution effects on the long-range ordered state of the doubly degenerate $e_g$ orbital are investigated. Quenched impurities without the orbital degree of freedom are introduced in the orbital model...
Ishii, K., Inami, T., Ohwada, K., Kuzushita, K., Mizuki, J., Murakami, Y., ...
Electronic excitations near the Fermi energy in the hole doped manganese oxides (La1-xSrxMnO3, x=0.2 and 0.4) have been elucidated by using the resonant inelastic x-ray scattering (RIXS) method. A...
Physics of Transition Metal Oxides (2004)
Maekawa, S., Tohyama, T., Barnes, S. E., Ishihara, S., Koshibae, W., Khaliullin, G.
Stannylative cycloaddition of enynes catalyzed by palladium - Iminophosphine (2004)
Nakao, Y, Hirata, Y, Ishihara, S, Oda, S, Yukawa, T, Shirakawa, E, ...
Ferromagnetic insulating phase in Pr{1-x}Ca{x}MnO3 (2003)
Kajimoto, R., Mochizuki, H., Yoshizawa, H., Okamoto, S., Ishihara, S.
A ferromagnetic insulating (FM-I) state in Pr0.75Ca0.25MnO3 has been studied by neutron scattering experiment and theoretical calculation. The insulating behavior is robust against an external...
Distorted Perovskite with e_g^1 Configuration as a Frustrated Spin System (2002)
Kimura, T., Ishihara, S., Shintani, H., Arima, T., Takahashi, K. T., Ishizaka, K., ...
The evolution of spin- and orbital-ordered states has been systematically investigated for a series of insulating perovskites $R$MnO$_3$ ($R$=La,Pr,Nd,...). $R$MnO$_3$ with a large GdFeO$_3$-type...
Fuzzy clan games and bi-monotonic allocation rules (2002)
Tijs, S., Branzei, R., Muto, S., Ishihara, S., Fukuda, E.
In this paper the class of fuzzy clan games is introduced. The cores of such games have an interesting shape which inspires to define a class of compensation-sharing rules that are additive and...
On cores and stable sets for fuzzy games (2002)
Tijs, S., Branzei, R., Ishihara, S., Muto, S.
In this paper cores and stable sets for games with fuzzy coalitions are introduced and their relations studied. For convex fuzzy games it turns out that all cores coincide and that the core is the...
Magnetic Ordering, Orbital Ordering and Resonant X-ray Scattering in Perovskite Titanates (2001)
Ishihara, S., Hatakeyama, T., Maekawa, S.
The effective Hamiltonian for perovskite titanates is derived by taking into account the three-fold degeneracy of $t_{2g}$ orbitals and the strong electron-electron interactions. The magnetic and...
Inami, T., Ishihara, S., Kondo, H., Mizuki, J., Fukuda, T., Maekawa, S., ...
We report resonant inelastic x-ray scattering experiments of the orbital ordered manganite LaMnO3. When the incident photon energy is tuned near the Mn K absorption edge, the spectra reveal three...
Role of electron-phonon interaction in the strongly correlated cuprates superconductors (2001)
Lanzara, A., Ishihara, S., Nagaosa, N.
Using high resolution angle-resolved photoemission data in conjunction with that from neutron and other probes, we show that electron-phonon (el-ph) coupling is strong in cuprates superconductors and...
Theory of Raman Scattering from Orbital Excitations in Manganese Oxides (2001)
Okamoto, S., Ishihara, S., Maekawa, S.
We present a theory of the Raman scattering from the orbital wave excitations in manganese oxides. Two excitation processes of the Raman scattering are proposed. The Raman scattering cross section is...
TESLA Technical Design Report Part III: Physics at an e+e- Linear Collider (2001)
Miller, D. J., Richard, F., Zerwas, P. M., Aguilar-Saavedra, J. A., Alcaraz, J., ...
The TESLA Technical Design Report Part III: Physics at an e+e- Linear Collider
TESLA Technical Design Report Part III: Physics at an e+e- Linear Collider (2001)
Heuer, RD, Miller, DJ, Richard, F, Zerwas, PM, Aguilar-Saavedra, JA, Alcaraz, J, ...
The TESLA Technical Design Report Part III: Physics at an e+e- Linear Collider
Hirota, K., Ishihara, S., Fujioka, H., Kubota, M., Yoshizawa, H., Moritomo, Y., ...
Low-temperature spin dynamics of the double-layered perovskite La_2-2x_Sr_1+2x_Mn_2_O_7 (LSMO327) was systematically studied in a wide hole concentration range (0.3
TESLA Technical Design Report Part III: Physics at an e+e- Linear Collider (2001)
Heuer, RD, Miller, DJ, Richard, F, Zerwas, PM, Aguilar-Saavedra, JA, Alcaraz, J, ...
The TESLA Technical Design Report Part III: Physics at an e+e- Linear Collider
Kikuchi, A, Nieda, M, Schmidt, C, Koezuka, Y, Ishihara, S, Ishikawa, Y, ...
alpha -galactosylceramide (KRN 7000, alpha -GalCer) has shown potent in vivo anti-tumour activity in mice, including against melanoma and the highly specific effect of inducing proliferation and...
Nieda, M, Kikuchi, A, Nicol, A, Koezuka, Y, Ando, Y, Ishihara, S, ...
Human V alpha 24 natural killer T (V alpha 24NKT) cells are activated by -glycosylceramide-pulsed dendritic cells (DCs) in a CDld-dependent and T-cell receptor-mediated manner. There are two major...
Resonant Inelastic X-ray Scattering from Charge and Orbital Excitations in Manganites (2000)
Kondo, H., Ishihara, S., Maekawa, S.
We present a theory of the resonant inelastic x-ray scattering (RIXS) to study electronic excitations in orbital ordered manganites. The charge and orbital excitations of the Mn 3d electron are...
Observation of the antiferroquadrupolar order in DyB2C2 by resonant x-ray scattering (2000)
Matsumura, T., Oumi, N., Hirota, K., Nakao, H., Murakami, Y., Wakabayashi, Y., ...
We have investigated the antiferroquadrupolar(AFQ) order in DyB$_2$C$_2$ by resonant x-ray scattering. X-rays with energies near the $L_3$ absorption edge of Dy were employed. Superlattice peaks that...
Prospects of Measuring General Higgs Couplings at e^+e^- Linear Colliders (2000)
Hagiwara, K., Ishihara, S., Kamoshita, J., Kniehl, B. A.
We examine how accurately the general HZV couplings, with V=Z,gamma, may be determined by studying e^+e^- --> Hff-bar processes at future e^+e^- linear colliders. By using the optimal-observable...
Okamoto, S., Ishihara, S., Maekawa, S.
Correlation between orbital structure and magnetic ordering in bilayered manganites is examined. A level separation between the $3d_{3z^2-r^2}$ and $3d_{x^2-y^2}$ orbitals in a Mn ion is calculated...
Electron spin resonance in neutron-irradiated n-type 6H-silicon carbide (2000)
Kanazawa, S, Kimura, I, Okada, M, Nozaki, T, Kanno, I, Ishihara, S, ...
Phase Transition in Perovskite Manganites with Orbital Degree of Freedom (1999)
Okamoto, S., Ishihara, S., Maekawa, S.
Roles of orbital degree of freedom of Mn ions in phase transition as a function of temperature and hole concentration in perovskite manganites are studied. It is shown that the orbital order-disorder...
D=4, N=1, Type IIA Orientifolds (1999)
Ishihara, S., Kataoka, H., Sato, Hikaru
We study D=4, N=1, type IIA orientifold with orbifold group $Z_N$ and $Z_N \times Z_M$. We calculate one-loop vacuum amplitudes for Klein bottle, cylinder and Mobius strip and extract the tadpole...
Role of Orbitals in Manganese Oxides - Ordering and Fluctuation (1999)
Maezono, R., Murakami, S., Nagaosa, N., Ishihara, S., Yamanaka, M., Lee, H. C.
We study the manganese oxides from the viewpoint of the strongly correlated doped Mott insulator. The magnetic ordering and the charge transport are governed by the orbital degrees of freedom, and...
Okamoto, S., Ishihara, S., Maekawa, S.
The spin and orbital phase diagram for perovskite manganites are investigated as a function of temperature and hole concentration. The superexchange and double exchange interactions dominate the...
Endoh, Y., Hirota, K., Ishihara, S., Okamoto, S., Murakami, Y., Nishizawa, A., ...
A lightly doped perovskite mangantite La_{0.88}Sr_{0.12}MnO_3 exhibits a phase transition at T_{OO}=145 K from a ferromagnetic metal (T_C=172 K) to a novel ferromagnetic insulator.We identify that...
Field Induced Transition from Metal to Insulator in the CMR Manganites (1998)
Endoh, Y., Nojiri, H., Kaneko, K., Hirota, K., Fukuda, T., Kimura, H., ...
The gigantic reduction of the electric resistivity under the applied magnetic field, CMR effect, is now widely accepted to appear in the vicinity of the insulator to metal transition of the...
Maekawa, S., Ishihara, S., Okamoto, S.
A systematic study of the electronic structure in perovskite manganites is presented. The effective Hamiltonian is derived by taking into account the degeneracy of $e_g$ orbitals and strong electron...
Ishihara, S., Shiozawa, K., Miyao, K., Kamishima, Y.
Plane bending fatigue tests were performed on carbon steel JIS, SS 41 in laboratory air and a sodium chloride aqueous solution; two methods, developed by Morishita and Ono were used in analyzing the...
Ditmars, D. A., Bernstein, G., Ishihara, S.
Heretofore unpublished enthalpy data which were used in the derivation of smooth enthalpy and heat-capacity data for NBS SRM 720 (alpha-Al(2)O(3), heat capacity, and enthalpy standard) are presented...
Optical Spectra in the Ferromagnetic States near the Charge Ordering (1997)
The optical conductivity is studied numerically for the ferromagnetic metallic state close to the charge ordering observed in perovskite manganites.
Probing nonstandard bosonic interactions via W-boson pair production at lepton colliders (1996)
Hagiwara, K., Hatsukano, T., Ishihara, S., Szalapski, R.
The process e+e- --> W+W- provides a valuable laboratory to test the Standard Model (SM) and to search for new physics. The most general helicity amplitudes for this process require the introduction...
TEMPERATURE DEPENDENCE OF NMR T1 AND χ IN Br3, AsF6-DOPED (CH)x (1983)
Kume, K., Mizuno, K., Mizoguchi, K., Nomura, K., Takayama, H., Ishihara, S., ...
We have measured the temperature dependence of proton NMR T1 and Pauli paramagnetic susceptibility χp in Br3- and AsF6-doped (CH)x. The microscopic conductivity σNMR has been calculated...
TEMPERATURE DEPENDENCE OF NMR T1 AND χ IN Br3, AsF6-DOPED (CH)x (1983)
Kume, K., Mizuno, K., Mizoguchi, K., Nomura, K., Takayama, H., Ishihara, S., ...
We have measured the temperature dependence of proton NMR T1 and Pauli paramagnetic susceptibility χp in Br3- and AsF6-doped (CH)x. The microscopic conductivity σNMR has been calculated...
TEMPERATURE DEPENDENCE OF NMR T1 AND χ IN Br3, AsF6-DOPED (CH)x (1983)
Kume, K., Mizuno, K., Mizoguchi, K., Nomura, K., Takayama, H., Ishihara, S., ...
We have measured the temperature dependence of proton NMR T1 and Pauli paramagnetic susceptibility χp in Br3- and AsF6-doped (CH)x. The microscopic conductivity σNMR has been calculated...
Aguilar-Saavedra,J. A., Alcaraz,J., Ali,Ahmed, Ambrosanio,S., Andreazza,A., Andruszkow,J., ...
The TESLA Technical Design Report Part III: Physics at an e+e- Linear Collider
Deguchi, T, Fukuoka, A, Yasuda, M, Nakano, M, Ozeki, S, Kanematsu, E, ...
We determined a partial sequence of the Klebsiella pneumoniae parC gene, including the region analogous to the quinolone resistance-determining region of the Escherichia coli gyrA gene, and examined...
CD3-negative lymphoproliferative disease of granular lymphocytes containing Epstein-Barr viral DNA.
Kawa-Ha, K, Ishihara, S, Ninomiya, T, Yumura-Yagi, K, Hara, J, Murayama, F, ...
Lymphoproliferative disease of granular lymphocytes (LDGL) is a heterogeneous disorder and the pathogenesis is likely to be complex. Some patients with chronic active EBV (CAEBV) infection also have...
Kappa-chain gene rearrangement in an apparent T-lineage lymphoma.
Ha-Kawa, K, Hara, J, Keiko, Y, Muraguchi, A, Kawamura, N, Ishihara, S, ...
We describe a 10-yr-old boy with T-lineage non-Hodgkin's lymphoma. He had a mediastinal mass, swollen supraclavicular lymph nodes, and pleural effusion. A supraclavicular lymph node biopsy under...
Deguchi, T, Fukuoka, A, Yasuda, M, Nakano, M, Ozeki, S, Kanematsu, E, ...
We determined a partial sequence of the Klebsiella pneumoniae parC gene, including the region analogous to the quinolone resistance-determining region of the Escherichia coli gyrA gene, and examined...
CD3-negative lymphoproliferative disease of granular lymphocytes containing Epstein-Barr viral DNA.
Kawa-Ha, K, Ishihara, S, Ninomiya, T, Yumura-Yagi, K, Hara, J, Murayama, F, ...
Lymphoproliferative disease of granular lymphocytes (LDGL) is a heterogeneous disorder and the pathogenesis is likely to be complex. Some patients with chronic active EBV (CAEBV) infection also have...
Kappa-chain gene rearrangement in an apparent T-lineage lymphoma.
Ha-Kawa, K, Hara, J, Keiko, Y, Muraguchi, A, Kawamura, N, Ishihara, S, ...
We describe a 10-yr-old boy with T-lineage non-Hodgkin's lymphoma. He had a mediastinal mass, swollen supraclavicular lymph nodes, and pleural effusion. A supraclavicular lymph node biopsy under...
Aguilar-Saavedra, J. A., Alcaraz, J., Ali, Ahmed, Ambrosanio, S., Andreazza, A., Andruszkow, J., ...
The TESLA Technical Design Report Part III: Physics at an e+e- Linear Collider
Nieda, M, Kikuchi, A, Nicol, A, Koezuka, Y, Ando, Y, Ishihara, S, ...
Human Vα24 natural killer T (Vα24NKT) cells are activated by α-glycosylceramide-pulsed dendritic cells (DCs) in a CD1d-dependent and T-cell receptor-mediated manner. There are two major...
Fukuda, R, Ishimura, N, Nguyen, T X, Chowdhury, A, Ishihara, S, Kohge, N, ...
To investigate the hypothesis that Th1 phenotype cytokines are associated with the increasing activity of hepatitis and Th2 phenotype cytokines with decreasing activity in the liver of chronic viral...
Seo, N, Tokura, Y, Ishihara, S, Takeoka, Y, Tagawa, S, Takigawa, M
Recent studies have revealed the existence of a distinct type of NK cell leukaemia of the juvenile type, which presents with hypersensitivity to mosquito bites (HMB) as an essential clinical...
Fuzzy clan games and bi-monotonic allocation rules
Tijs, S., Branzei, R., Muto, S., Ishihara, S., Fukuda, E.
In this paper the class of fuzzy clan games is introduced. The cores of such games have an interesting shape which inspires to define a class of compensation-sharing rules that are additive and...