paper.html

(105) S. Watabe, Y. Kato, and Y. Ohashi
"Tunneling properties of Bogoliubov mode and spin-wave modes in supercurrent states of a spin-1 ferromagnetic spinor Bose-Einstein condensate,"
Phys. Rev. A 83 (2011) 033627(1-12).

(104) 柏村孝、土屋俊二、大橋洋士
"フェルミ原子ガス超流動における超流動/強磁性/超流動接合とπ-phaseの実現可能性."
素粒子論研究(電子版）７ (2011) 64.

(103) 渡邉亮太、土屋俊二、大橋洋士
"超流動フェルミ気体の１粒子状態とphotoemissionスペクトル"
素粒子論研究(電子版）７ (2011) 54.

(102) 猪谷太輔、渡邉亮太、Manfred Sigrist、大橋洋士
"ｐ波相互作用するフェルミ気体における強結合効果と擬ギャップ構造."
素粒子論研究(電子版）７ (2011) 76.

(101) R. Watanabe, T. Tsuchiya, Y. Ohashi
"Superfluid density of states and pseudogap phenomenon in the BCS-BEC Crossover Regimeof a Superfluid Fermi Gas,"
Phys. Rev. A 82 (2010) 043630(1-9).

(100) T. Kashimura, S. Tsuchiya, Y. Ohashi
"Superfluid/ferromagnet.superfluid-junction and pi-phase in a superfluid Fermi gas,"
Phys. Rev. A 82 (2010) 033617(1-9), cond-mat/1006.3673.

(99) D. Inotanai, Y. Ohashi
"Theoretical Proposal of a Method to Identify the Pairing Symmetry of Fe-Pnictide Superconductors Using Ac-Josephson Effect,"
Physica C (2010) 470, 499-501.

(98) T. Tsuchiya, R. Watanabe, Y. Ohashi
"Pseudogap in fermionic density of states in the BCS-BEC crossover of atomic Fermi gases,
Physica C (2010) 470, 986-988.

(97) R. Watanabe, T. Tsuchiya, Y. Ohashi
"Pairing Fluctuations and Pseudogap Effects in the BCS-BEC Crossover Regimeof a
Superfluid Fermi Gas,"
Physica C (2010) 470, 980-981.

(96) Y. Ota, N. Nakai, H. Nakamura, M. Machida, D. Inotani, Y. Ohashi, T. Koyama, H. Matsumoto
"Ambegaokar-Baratoff relations of Josephson critical current in heteroic junction with multi-gap superconductors"
Phys.Rev. B 81 (2010) 214511(1-6).

(95) S. Tsuchiya, R. Watanabe, and Y. Ohashi
"Photoemission spectrum and effect of inhomogeneous pairing fluctuations in the BCS-BEC crossover regime of an ultracold Fermi gas"
Phys. Rev. A 82 (2010) 033629(1-5), cond-mat/10023016

(94) S. Tsuchiya, R. Watanabe, and Y. Ohashi
"Single-particle properties and pseudogap effects in the BCS-BEC crossoverregime of an ultracold Fermi gas above Tc "
Phys. Rev. A 80 (2009) 033613(1-9), cond-mat/09074595.

(93) S. Tsuchiya, R. Watanabe, and Y. Ohashi
"Pseudogap in fermionic density of states in the BCS-BEC crossover of atomic Fermi gases"
J. Low Temp. Phys. 185 (2009) 29-35, cond-mat/09063983.

(92) S. Tsuchiya, and Y. Ohashi
"Quasiparticle Inducing Josephson Effect in a Bose-Einstein Condesate."
in "Foundations of Mechanics in the Light of New Technology"
Ed by S. Ishikawa,a dn K. Fujikawa (World Sciemtific, 2009) 37-40.

(91) Y. Ohashi, and N. Fukushima
"Superfluid Properties of an Ultracold Fermi Gas in the BCS-BEC CrossoverRegion."
in "Foundations of Quantum Mechanics in the Light of New Technology"
Ed by S. Ishikawa, and K. Fujikawa (World Scientific, 2009) 18-23.

(90) D. Inotani, and Y. Ohashi
"Identification of the +-s-wave pairing state in the iron-pnictide superconductors using the Riedel anomaly."
Phys. Rev. B 79 (2009) 224527 (1-5).

(89) H. Tamaki, K. Miyake, and Y. Ohashi
"d-wave spin density wave phase in the attractive Hubbard model with spin polarization"
J. Phys. Soc. Jpn. 78 (2009) 073001(1-4).

(88) M. Machida, M. Okumura, S. Yamada, Y. Ohashi, adn H. Matsumoto
"Stripe formation in fermionic atoms on 2D optical lattice: DMRG studies for n-Leg repulsive Hubbard ladder"
Journal of Superconductivity and Novel Magnetism 21 (2009) 275-279.

(87) Y. Ohashi
"Molecular wavefunction and tunneling properties of a bound pair of Fermi atoms in an optical lattice."
Journal of Physics, Conference Series 150 (2009) 032076.

(86) S. Tsuchiya, and Y. Ohashi
"Enhanced quasi-particle current of Bogoliubov phonons in a Bose-Einstein condensate."
Journal of Physics, Conference Series 150 (2009) 032113.

(85) S. Tsuchiya, and Y. Ohashi
" Supercurrent induced by tunneling Bogoliubov excitations in a Bose-Einstein condensate."
Phys. Rev. A 79 (2009) 063619(1-15), cond-mat/09022908.

(84) D. Inotani, and Y. Ohashi
"A possible method to confirm $\pm s$-wave pairing state using the Riedel anomaly in Fe-pnictide superconductors "
PRB (2009), cond-mat/09011718.

(83) M. Machida, M. Okumura, S. Yamada, T. Deguchi, Y. Ohashi, and H. Matsumoto
"Mott phase in polarized two-component atomic Fermi lattice gas"
Phys. Rev. A 78 (2008) 235117(1-5)

(82) Y. Ohashi
"Tunneling properties of a bound pair of Fermi atoms in an optical lattice."
submitted to Phys. Rev. A 78 (2008) 063617(1-9).

(81) Y. Ohashi, and S. Tsuchiya
"Supercurrent behavior of low-energy Bogoliubov phonons and anomalous tunneling effect in a Bose-Einstein condensate."
Phys. Rev. A 78 043601(1-10) (2008).

(80) H. Tamaki. Y. Ohashi, and K. Miyake
"BCS-BEC crossover and effects of density fluctuations in a gas of Fermi atoms
described by an attractive Hubbard model."
Phys. Rev. A ,77 (2008) 063616.

(79) M. Machida, S. Yamada, M. Okumura, Y. Ohashi, and H. Matsumoto
"Correlation effects on atom-density profiles of one- and two-dimensional polarized atomic Fermi gases loaded on an optical lattice"
Phys. Rev. A 77 (2008) 053614(1-8)

(78) S. Tsuchiya, and Y. Ohashi
"Quasi-particle Tunneling in a Bose-Einstein Condensate "
Phys. Rev. A 78 (2008), 013628(1-4), cond-mat/08020728, (2008)

(77) Y. Ohashi, N. Fukushima, H. Matsumoto, E. Taylor, and A. Griffin
"Superfluid density in the BCS-BEC crosseover regime of a Fermi superfluid"
Physica C 468 (2008) 599-604.

(76) Y. Ohashi
"Superfluid Density in the BCS-BEC Crossover Regime of a Two-Component Fermi Gas at Finite Temperatures "
J. Supercondictivity and Novel Magnetism 20 (2007) 609-612.

(75) S. Yamada, T. Imamura, T. Kano, Y. Ohashi, H. Matsumoto, and M Machida
"Ultra Large-scale Exact-diagonalization for Confined Fermion-Hubbard Model on the Earth Simulator: Exploration of Superfluidity in Confined Strongly-Correlated Systems"
Journal of the Earth Simulator, 7 (2007) 23-35.

(74) E. Taylor, A. Griffin, and Y. Ohashi
"Spin-polarized Fermi superfluids as Bose-Fermi mixtures"
Phys. Rev. A 76 (2007) 023614.

(73) Y. Ohashi
"BCS-BEC crossover in a superfluid Fermi gas"
Int. J. Mod. Phys. B 20 (2006) 5204-5213.

(72) M. Machida, S. Yamada, Y. Ohashi, and H. Matsumoto
"On-site pairing and microscopic inhomogeneneity in confined lattice fermion systems."
Phys. Rev. A 74 (2006) 053621(1-6).

(71) Y. Ohashi
"BCS-BEC Crossover in a Superfluid Fermi Gas" in
"Recent Progress in Many Body Theories," Ed. by S. Hernandez, and H. Cataldo
(World Scientific, (2006)).

(70) E. Taylor, A. Griffin, N. Fukushima, and Y. Ohashi
"Pairing fluctuations and superfluid density and condensate fraction through the BCS-BEC crossover,"
Phys. Rev. A 74 (2006) 063626(1-15), cond-mat/0609187.

(69) M.Machida, Y. Ohashi, and T. Koyama,
"Microscopic structure of a quantized vortex core in atomic Fermi gases"
Physical Rev. A 72 (2006) 023621(1-5).

(68) N. Fukushima, Y. Ohashi, E. Taylor, and A. Griffin
"Superfluid density and condensate fraction in the BCS-BEC crossover regime at finite temperatures,"
Phys. Rev. A 75 (2007) 033609(1-10), cond-mat/0609445.

(67) Y. Ohashi
"BCS-BEC Crossover in a Gas of Fermi Atoms with a P-wave Feshbach Resonance"
AIP Proceedings (LT24) 850 (2006) 65-66.

(66) H. Matsumoto, Y. Suzuki, and Y. Ohashi
"Reflectivity in the Multi-Josephson Junction Model with Josephson Vortex Lattice"
AIP Proceedings (LT24) 850 (2006) 925-926.

(65) H. Matsumoto, K. Takahashi, and Y. Ohashi
"Effect of Quantum Correction in the Bose Hubbard Model"
AIP Proceedings (LT24) 850 (2006) 53-54.

(64) M. Machida, S. Yamada, Y. Ohashi, and H. Matsumoto
"Spin Correlation and Superfluidity of Trapped Fermi Atoms on an Optical Lattice"
AIP Proceedings (LT24) 850 (2006) 61-62.

(63) Y. Ohashi
"フェルミ原子ガス超流動におけるBCS状態とボーズ凝縮のクロスオーバー"
固体物理　 41, ７月号　(200６) 445-456.

(62) 大橋洋士
”物理学辞典”　（国際科学振興財団編、丸善、２００５）　の項目執筆

(61) H. Matsumoto, and Y. Ohashi
"Bose-Einstein condensation" in Encyclopedia of Physics, Ed. by R. Lerner and L. Trigg (John Willey and Sons Inc. 2006) [辞典の項目執筆]

(60) M.Machida, S.Yamada, Y.Ohashi, H.Matsumoto
Reply to a comment on our recent work, "Novel Superfluidity in a Trapped Gas of Fermi Atoms with repulsive Interaction Loaded on an Optical Lattice."
Phys. Rev. Lett. 95 (2005) 218902.

(59) M.Machida, T. Koyama, and Y. Ohashi
"Vortex structure from BCS to BEC superfluid"
Physica C 437-438 (2006) 190-194.

(58) M.Machida, S.Yamada, Y.Ohashi, H.Matsumoto
"Novel Pairing in the Hubbard Model with Confinement Potential"
Physica C 445-448 (2006) 90-93.

(57) M.Machida, T.Koyama, Y.Ohashi
"Vortex Structure in Weak to Strong Coupling Superconductors: Crossover from BCS to BEC"
Physica C 445-448 (2006) 194-197.

(56) Y. Ohashi
"Excitations in the BCS-BEC crossover regime of a superfluid Fermi gas with a Feshbach resonance."
Physica C, 437-438 (2006) 234-238.

(55) Y. Ohashi
"New Fermion Superfluidity and the BCS-BEC Crossover in a TRapped gas of Fermi Atoms with a Feshbach Resonance."
素粒子論研究 112 (2005) B54.

(54) Y. Ohashi
"フェルミ原子ガスにおける新しい超流動"
素粒子論研究 111 (2005) C21.

(53) Y. Ohashi
"フェルミ原子ガス超流動の物理：BCSーBECクロスオーバーと新しい物質科学"
物性研究 85 (2005) １１月号.

(52) Y. Ohashi, M. Kitaura, and H. Matsumoto
"Itinerant-localized dual character of a strongly correlated Bose gas in an optical lattice."
Phys. Rev. A 73 (2006) 033617.

(51) Y. Ohashi and A. Griffin
"Single-particle excitations in the BCS-BEC crossover regime: a broad Feshbach resonance.
Phys. Rev. A 72 (2005) 063606.

(50) Y. Ohashi and A. Griffin
"Single-particle excitations in a trapped gas of Fermi atoms in the BCS-BEC crossover region."
Phys. Rev. A 72 (2005) 013601.

(49) Y. Ohashi
"Effective interactione between molecules in the BEC regime of a superfluid
Fermi gas."
J. Phys. Soc. Jpn. 74 (2005) 2659.
[この研究成果は２００５年１０月２１日付科学新聞で紹介されました。]

(48) Y. Ohashi and A. Griffin
"Collective modes and the effect of single-particle excitations in the BCS-BEC crossover region of a trapped Fermi superfluid."
submitted to Phys. Rev. A, cond-mat/0503641.

(47) Y. Ohashi
"BCS-BEC crossover in a gas of Fermi atoms with a p-wave Feshbach resonance."
Phys. Rev. Lett. 94 (2005) 050403.

(46) Y. Ohashi
"トラップされたフェルミ原子ガスの研究の現状と超流動の可能性"
素粒子論研究 108 (2004) E28.

(45) Y. Ohashi
"フェッシュバッハ共鳴を用いたフェルミ原子ガスにおける新しい超流動."
日本物理学会誌５９（２００４）５９１。

(44) Y. Ohashi
"フェルミ原子ガスにおける新しい超流動：BCSーBECクロスオーバーの実現 ."
日本物理学会誌５９（２００４）２０７。

(42) M. Machida, S. Yamada, Y. Ohashi, and H. Matsumoto
"Novel Superfluidity in a Trapped Gas of Fermi Atoms with repulsive Interaction Loaded on an Optical Lattice."
Phys. Rev. Lett. 93 (2004) 200402.

(41) Y. Ohashi
"Kohn's theorem in a superfluid Fermi gas with a Feshbach resonance."
Phys. Rev. A 70 (2004) 063613 (1-13).

(40) Y. Ohashi and A. Griffin
"Fermi excitations in a trapped atomic Fermi gas with a molecular Bose condensate."
cond-mat/0402031

(39) Y. Ohashi
"Effects of Interband Impurity Scatteing on Superconducting Density of States in a Two-band Superconductor."
Physica C 412-414 (2004) 41-45.

(38) M. Terao and Y. Ohashi
"Theory of Superconductor-Insulator Transition in Organic conductor Lambda-(BETS)_2Fe_(1-x)Ga_xCl_4"
Physica C 412-414 (2004) 324-328.

(37) Y. Ohashi and A. Griffin
"BCS-BEC crossover in a trapped gas of Fermi atoms with a Feshbach resonance."
Physica B 392-333 (2003) 40-41.

(36) Y. Ohashi and A. Griffin
"Superfluidity and collective modes in a uniform gas of Fermi atoms with a Feshabch resonance."
Phys. Rev. A 67 (2003), 063612 (1-24).

(35) Y. Kanegae and Y. Ohashi
"Nuclear Magnetic Resonance in Atomic-scale Superconductor/Magnet Multilayered Systems."
J. Phys. Soc. Jpn. 72 (2003) 1631-1634.

(34) Y. Itoh, S. Adachi, T. Machi, Y. Ohashi and N. Koshizuka
"Ni-substituted sites and the effect on Cu electron spin dynamics of YBa_2Cu_3-xO_7-delta."
Phys. Rev. B 66 (2002) 134511 (1-5).

(33) Y. Ohashi
"On the Fulde-Ferrell State in Spatially Isotropic Superconductors."
J. Phys. Soc. Jpn. 71 (2002) 2625-2628.

(32) Y. Ohashi and A. Griffin
"Superfluid Transition temperature in a Trapped Gas of Fermi Atoms with a Feshbach Resonance."
Phys. Rev. A 67 (2003) 033603 (1-18).

(31) Y. Ohashi
"Bound State and Order Parameter Mixing Effect by Nonmagnetic Impurity Scattering in Two-band Superconductors."
J. Phys. Soc. Jpn. 71 (2002) 1978-1992.

(30) Y. Ohashi and A. Griffin
"BCS-BEC Crossover in a Gas of Fermi Atoms with a Feshbach Resonance."
Phys. Rev. Lett. 89 (2002) 130402.

(29) Y. Ohashi
"Anomalous Temperature Dependence of Spin Susceptibility around a Nonmagnetic Impurity in High-Tc Cuprate Superconductors. "
Phys. Rev. B 66 (2002) 054522 (1-8).

(28) Y. Ohashi
"Local Enhancement of Spin Susceptibility around a Nonmagnetic Impurity in the Normal State of High-Tc Superconductors."
J. Phys. Soc. Jpn. 70 (2001) 2054--2060.

(27) Y. Kanegae and Y. Ohashi
"Stability of Pi-phase in Supersonductor/Magnet-Multilayered Systems."
J. Phys. Soc. Jpn. 70 (2001) 2124-2133.

(26) Y. Ohashi
"Nonmagnetic Impurity Effects on Antiferromagnetic Spin Fluctuations in high-Tc superconductors."
Physica C 357-360 (2001) 74-77.

(25) M. Terao and Y. Ohashi
"Possible Mechanism of Semiconductive Temperature Dependence of C-Axis Resistivity in the Normal State of High-Tc Superconductors: Renormalization Effect of Fermi Surface by Antiferromagnetic Spin Fluctuations."
J. Phys. Soc. Jpn. 70 (2001) 233-240.

(24) Y. Ohashi
"Nonmagnetic Impurity Effects on Spectrum of Antiferromagnetic Spin Fluctuations and Nuclear Spin-lattice Relaxation Rate in high-Tc superconductors."
J. Phys. Soc. Jpn. 69 (2000) 2977-2992.

(23) T. Yoshioka and Y. Ohashi:
"Numerical Renormalization Group Studies on Single Impurity Anderson Model in Superconductivity: A Unified Treatment of Magnetic, NOnmagnetic Impurities, and Resonence Scattering."
J. Phys. Soc. Jpn. 69 (2000) 1812-1823.

(22) Y. Ohashi and S. Takada:
"Temperature dependence of the c-axis Josephson plasma oscillation in high-Tc superconductors."
Phys. Rev. B61 (2000) 4276-4288.

(21) Y. Ohashi and S. Takada:
"Collective phase oscillation in two-dimensional d-wave superconductors."
Phys. Rev. B62 (2000) 5971-5983.

(20) Y. Ohashi:
"Theory of Basov correlation between c-axis penetration depth and conductivity in high-Tc cuprate superconductors."
J. Phys. Soc. Jpn. 69 (2000) 659-662.

(19) Y. Ohashi
"Local antiferromagnetism in high-Tc cuprate superconductors and the magnetic phases of U-based heavy ferimon compounds."
Phys. Rev. B. 60 (1999) 15388-15393.

(18) Y. Ohashi and S. Takada:
"Theoretical Studies on the Low-Frequency Plasma and its Coupling with the Carlson-Goldman Mode in dirty Layered-Superconductor."
Phys. Rev. B59 No.6 (1999) 4404-4411.

(17) T. Kusama and Y. Ohashi
"Effect of the BCS Supercurrent on the Spontaneous Surface Flow in Unconventional Superconductivity with Broken Time-Reversal Symmetry.",
J. Phys. Soc. Jpn. 68 No.3 (1999) 987-993.

(16) Y. Kanegae, Y. Ohashi and H. Ikeda
"Monte Carlo Study on the Nuclear Magnetic Ordering in Scandium Crystal: Possibility of a Ferrimagnetic State."
J. Phys. Soc. Jpn. 68 (1999) 2366.

(15) H. Ikeda and Y. Ohashi:
"Theory of Unconventional Spin Density Wave: A Possible Mechanism of the Micromagnetism in U-based heavy Fermion Compounds."
Phys. Rev. Lett. 81 (1998) 3723-3726.

(14) T. Yoshioka and Y. Ohashi:
"Ground State Properties and Localized Excited States around a Magnetic Impurity Described by the Anisotropic s-d Interaction in Superconductivity."
J. Phys. Soc. Jpn. 67 (1998) No.4. 1332-1341.

(13) Y. Ohashi and S. Takada:
"On the Plasma Oscillation in Superconductivity."
J. Phys. Soc. Jpn. 67 (1998) No.2. 551-559.

(12) Y. Ohashi and S. Takada:
"Goldstone Mode in Charged Superconductivity: Theoretical Studies of the Carlson-Goldman Mode and Effects of the Landau Damping in the Superconducting
State",
J. Phys. Soc. Jpn. 66 (1997) 2437-2458.

(11) 大橋洋士、高田慧：
"超伝導状態におけるゴールドストーンモード：Carlson-Goldmanモードとランダウ減衰",
固体物理（アグネ技術センター） 32 No.11. (1997) 45-54.

(10) R. Kadono, R. Kiefl, J. Chakhalian, S. Dunsiger, W. MacFarlane, B. Hitti, S. Kreitzman, J. Major, L. Schimmele, M, Matsumoto and Y. Ohashi:
"Quantum Diffusion of the Positive Muon in Superconducting Tantalum.",
Phys. Rev. Lett. 79 (1997) 107-110.

(9) Y. Ohashi and T. Momoi:
"On the Bloch Theorem Concerning Spontaneous Electric Current.",
J. Phys. Soc. Jpn. 65 (1996) 3254-3259.

(8) Y. Ohashi and S. Takada:
"Unified Description of the Mid Gap State in Inhomogeneous Superconductors.",
J. Phys. Soc. Jpn. 65 (1996) 246-254.

(7) Y. Ohashi:
"Unusual Proximity Effect of d-Wave Superconductivity.",
J. Phys. Soc. Jpn. 65 (1996) 823-839.

(6) Y. Onishi, Y. Ohashi, Y. Shingaki and K. Miyake:
"Resonance State Localized around Nonmagnetic Impurity with Unitarity Scattering in Two-Dimensional d-Wave Superconductor.",
J. Phys. Soc. Jpn. 65 (1996) 675-678.

(5) Y. Ohashi:
"Theoretical Proposal of a Method to Identify the Symmetry of the Order Parameter in High-Tc Superconductivity.",
J. Phys. Soc. Jpn. 64 (1995) 887-912.

(4) Y. Ohashi:
"Temperature Dependence of Uniform Susceptibility in High-Tc Superconductors.",
J. Phys. Soc. Jpn. 62 (1993) 3702-3709.

(3) Y. Ohashi and H. Shiba:
"Pairing and Depairing Effects of Antiferromagnetic Spin Fluctuations in High-Tc Superconductivity.",
J. Phys. Soc. Jpn. 62 (1993) 2783-2802.

(2) Y. Ohashi and M. Matsumoto:
"Quantum Diffusion of Muons Interacting with Superconducting Electrons. II.",
J. Phys. Soc. Jpn. 62 (1993) 3532-3538.

(1) M. Matsumoto and Y. Ohashi:
"Quantum Diffusion of Muons Interacting with Superconducting Electrons. I.",
J. Phys. Soc. Jpn. 62 (1993) 2088-2097.