大橋 洋士

研究成果

年別の研究成果 1993 2006 2008 2009 2010 2011 2012 2014 2016 2017 2018 2022

• 159 Article
• 13 Conference article
• 9 Conference contribution
• 6 Comment/debate
• 1 その他
  • 1 Review article

年別の研究成果

年別の研究成果

検索結果

• 2022

  Feasibility of a Fulde-Ferrell-Larkin-Ovchinnikov superfluid Fermi atomic gas

  Kawamura, T. & Ohashi, Y., 2022 9月, In: Physical Review A. 106, 3, 033320.

  研究成果: Article › 査読

  • monatomic gases 100%
  • physics 34%
  • atoms 27%
  • destruction 27%
  • Fermi surfaces 26%

• Isothermal compressibility and effects of multibody molecular interactions in a strongly interacting ultracold Fermi gas

  Kagamihara, D., Sato, R., Manabe, K., Tajima, H. & Ohashi, Y., 2022 9月, In: Physical Review A. 106, 3, 033308.

  研究成果: Article › 査読

  • molecular interactions 100%
  • compressibility 78%
  • gases 41%
  • molecules 28%
  • Fermi surfaces 26%
  1 被引用数 (Scopus)

• Proposed Fermi-surface reservoir engineering and application to realizing unconventional Fermi superfluids in a driven-dissipative nonequilibrium Fermi gas

  Kawamura, T., Hanai, R. & Ohashi, Y., 2022 7月, In: Physical Review A. 106, 1, 013311.

  研究成果: Article › 査読

  • Fermi surfaces 100%
  • engineering 75%
  • kinetic equations 52%
  • gases 52%
  • center of mass 48%
  1 被引用数 (Scopus)
• 2021

  Superfluid properties of an ultracold Fermi gas with an orbital Feshbach resonance in the BCS-BEC crossover region

  Kamihori, T., Kagamihara, D. & Ohashi, Y., 2021 5月, In: Physical Review A. 103, 5, 053319.

  研究成果: Article › 査読

  • crossovers 100%
  • gases 56%
  • interactions 22%
  • condensates 17%
  • adjusting 14%

• Thermodynamic stability, compressibility matrices, and effects of mediated interactions in a strongly interacting Bose-Fermi mixture

  Manabe, K. & Ohashi, Y., 2021 6月, In: Physical Review A. 103, 6, 063317.

  研究成果: Article › 査読

  • compressibility 100%
  • thermodynamics 69%
  • matrices 56%
  • gases 52%
  • interactions 40%
  1 被引用数 (Scopus)
• 2020

  Nonequilibrium strong-coupling theory for a driven-dissipative ultracold Fermi gas in the BCS-BEC crossover region

  Kawamura, T., Hanai, R., Kagamihara, D., Inotani, D. & Ohashi, Y., 2020 1月 7, In: Physical Review A. 101, 1, 013602.

  研究成果: Article › 査読

  • crossovers 100%
  • baths 66%
  • gases 56%
  • Green's functions 30%
  • fermions 30%
  6 被引用数 (Scopus)

• Spin-dipole mode in a trapped Fermi gas near unitarity

  Tajima, H., Recati, A. & Ohashi, Y., 2020 1月 13, In: Physical Review A. 101, 1, 013610/.

  研究成果: Article › 査読

  • dipoles 100%
  • gases 69%
  • sum rules 19%
  • degrees of freedom 15%
  • transition temperature 15%
  2 被引用数 (Scopus)

• Strong-Coupling Effects on Quantum Transport in an Ultracold Fermi Gas

  Furutani, K. & Ohashi, Y., 2020 10月 1, In: Journal of Low Temperature Physics. 201, 1-2, p. 49-57 9 p.

  研究成果: Article › 査読

  • Quantum Transport 100%
  • Conductance 57%
  • crossovers 35%
  • Point contacts 34%
  • Gases 34%
  2 被引用数 (Scopus)

• Strong-Coupling Theory for a Non-equilibrium Unitary Fermi Gas

  Kawamura, T., Kagamihara, D., Hanai, R. & Ohashi, Y., 2020 10月 1, In: Journal of Low Temperature Physics. 201, 1-2, p. 41-48 8 p.

  研究成果: Article › 査読

  • Nonequilibrium 100%
  • Chemical potential 69%
  • Green's function 55%
  • Gases 53%
  • Gas 49%
  2 被引用数 (Scopus)

• Thermodynamic Stability and Effects of Bose–Bose Repulsion in an Ultracold Bose–Fermi Mixture with Strong Hetero-Pairing Fluctuations

  Manabe, K. & Ohashi, Y., 2020 10月 1, In: Journal of Low Temperature Physics. 201, 1-2, p. 65-72 8 p.

  研究成果: Article › 査読

  • Self-Energy 100%
  • Thermodynamic stability 92%
  • Tight Binding Model 79%
  • Green's function 70%
  • thermodynamics 60%
• 2019

  Isothermal Compressibility of an Ultracold Fermi Gas in the BCS–BEC Crossover

  Sato, R., Kagamihara, D., Manabe, K., Inotani, D. & Ohashi, Y., 2019 7月 15, In: Journal of Low Temperature Physics. 196, 1-2, p. 119-125 7 p.

  研究成果: Article › 査読

  • Isothermal Compressibility 100%
  • Compressibility 78%
  • compressibility 67%
  • crossovers 62%
  • Gases 39%

• Non-Hermitian Phase Transition from a Polariton Bose-Einstein Condensate to a Photon Laser

  Hanai, R., Edelman, A., Ohashi, Y. & Littlewood, P. B., 2019 5月 8, In: Physical review letters. 122, 18, 185301.

  研究成果: Article › 査読

  Open Access

  • Bose-Einstein condensates 100%
  • polaritons 92%
  • condensates 68%
  • photons 53%
  • lasers 41%
  31 被引用数 (Scopus)

• Shear viscosity and strong-coupling corrections in the BCS–BEC crossover regime of an ultracold Fermi gas

  Kagamihara, D., Inotani, D. & Ohashi, Y., 2019, In: Journal of the Physical Society of Japan. 88, 11, 114001.

  研究成果: Article › 査読

  • crossovers 100%
  • viscosity 80%
  • shear 75%
  • gases 56%
  • transition temperature 17%
  4 被引用数 (Scopus)

• Single-particle properties of a strongly interacting Bose-Fermi mixture with mass and population imbalance

  Manabe, K., Inotani, D. & Ohashi, Y., 2019 12月 5, In: Physical Review A. 100, 6, 063609.

  研究成果: Article › 査読

  • molecular excitation 100%
  • atomic excitations 97%
  • photoelectric emission 57%
  • anomalies 53%
  • composite materials 40%
  2 被引用数 (Scopus)

• Single-Particle Structures in the Normal State of a Strongly Interacting Bose–Fermi Mixture with Mass Imbalance

  Manabe, K., Kagamihara, D., Inotani, D. & Ohashi, Y., 2019 7月 15, In: Journal of Low Temperature Physics. 196, 1-2, p. 126-132 7 p.

  研究成果: Article › 査読

  • Photoemission 100%
  • Mixture 36%
  • photoelectric emission 36%
  • Gas mixtures 31%
  • Condensation 27%
  1 被引用数 (Scopus)

• Strong-Coupling Effects on Specific Heat in the BCS–BEC Crossover

  Inotani, D., van Wyk, P. & Ohashi, Y., 2019 7月 15, In: Journal of Low Temperature Physics. 196, 1-2, p. 111-118 8 p.

  研究成果: Article › 査読

  • Supercritical Fluid 100%
  • Specific heat 92%
  • crossovers 79%
  • specific heat 68%
  • Heat 65%

• Superfluid Phase Transitions and Effects of Thermal Pairing Fluctuations in Asymmetric Nuclear Matter

  Tajima, H., Hatsuda, T., van Wyk, P. & Ohashi, Y., 2019 12月 1, In: Scientific reports. 9, 1, 18477.

  研究成果: Article › 査読

  Open Access

  • Neutrons 100%
  • Phase Transition 94%
  • Protons 76%
  • Hot Temperature 57%
  • Temperature 30%
  8 被引用数 (Scopus)
• 2018

  Photoemission spectrum in the BCS-BEC crossover regime of a rare-earth fermi gas with an orbital feshbach resonance

  Mondal, S., Inotani, D. & Ohashi, Y., 2018, In: Journal of the Physical Society of Japan. 87, 9, 094301.

  研究成果: Article › 査読

  • crossovers 100%
  • photoelectric emission 96%
  • rare earth elements 95%
  • gases 56%
  • approximation 23%
  3 被引用数 (Scopus)

• Photoluminescence and gain/absorption spectra of a driven-dissipative electron-hole-photon condensate

  Hanai, R., Littlewood, P. B. & Ohashi, Y., 2018 6月 1, In: Physical Review B. 97, 24, 245302.

  研究成果: Article › 査読

  Open Access

  • Excitons 100%
  • Photoluminescence 92%
  • Absorption spectra 82%
  • Photons 67%
  • Nonequilibrium 60%
  18 被引用数 (Scopus)

• Pseudogap regime of a two-dimensional uniform fermi gas

  Matsumoto, M., Hanai, R., Inotani, D. & Ohashi, Y., 2018, In: Journal of the Physical Society of Japan. 87, 1, 014301.

  研究成果: Article › 査読

  • gases 100%
  • transition temperature 51%
  • phase diagrams 50%
  • approximation 34%
  • temperature 19%
  3 被引用数 (Scopus)

• Single-particle excitations and strong coupling effects in the bcs–bec crossover regime of a rare-earth fermi gas with an orbital feshbach resonance

  Mondal, S., Inotani, D. & Ohashi, Y., 2018, In: Journal of the Physical Society of Japan. 87, 8, 084302.

  研究成果: Article › 査読

  • crossovers 100%
  • rare earth elements 95%
  • gases 56%
  • excitation 54%
  • magnetic resonance 50%
  11 被引用数 (Scopus)

• Strong-coupling and finite-temperature effects on p -wave contacts

  Inotani, D. & Ohashi, Y., 2018 8月 3, In: Physical Review A. 98, 2, 023603.

  研究成果: Article › 査読

  • temperature effects 100%
  • momentum 51%
  • wave interaction 27%
  • thermodynamic properties 19%
  • interactions 19%
  6 被引用数 (Scopus)

• Superfluid Fermi atomic gas as a quantum simulator for the study of the neutron-star equation of state in the low-density region

  Van Wyk, P., Tajima, H., Inotani, D., Ohnishi, A. & Ohashi, Y., 2018 1月 3, In: Physical Review A. 97, 1, 013601.

  研究成果: Article › 査読

  • monatomic gases 100%
  • simulators 81%
  • neutron stars 79%
  • equations of state 68%
  • gases 25%
  33 被引用数 (Scopus)
• 2017

  A novel route to reach a p-wave Superfluid Fermi gas

  Yamaguchi, T., Inotani, D. & Ohashi, Y., 2017 1月 15, In: Journal of the Physical Society of Japan. 86, 1, 013001.

  研究成果: Article › 査読

  • routes 100%
  • gases 61%
  • wave interaction 58%
  • condensation 15%
  • orbits 12%
  5 被引用数 (Scopus)

• Appropriate conditions to realize a p -wave superfluid state starting from a spin-orbit-coupled s -wave superfluid Fermi gas

  Yamaguchi, T., Inotani, D. & Ohashi, Y., 2017 5月 9, In: Physical Review A. 95, 5, 053609.

  研究成果: Article › 査読

  • orbits 100%
  • gases 70%
  • wave interaction 46%
  • spin-orbit interactions 14%
  • parity 12%

• Dynamical instability of a driven-dissipative electron-hole condensate in the BCS-BEC crossover region

  Hanai, R., Littlewood, P. B. & Ohashi, Y., 2017 9月 28, In: Physical Review B. 96, 12, 125206.

  研究成果: Article › 査読

  Open Access

  • Excitons 100%
  • Hole (Electron) 68%
  • Exciton 57%
  • Electrons 57%
  • condensates 53%
  21 被引用数 (Scopus)

• Ground-state thermodynamic quantities of homogeneous spin-1/2 fermions from the BCS region to the unitarity limit

  Horikoshi, M., Koashi, M., Tajima, H., Ohashi, Y. & Kuwata-Gonokami, M., 2017 10月 11, In: Physical Review X. 7, 4, 041004.

  研究成果: Article › 査読

  Open Access

  • fermions 100%
  • thermodynamics 83%
  • ground state 81%
  • fluctuation theory 41%
  • wave scattering 33%
  41 被引用数 (Scopus)

• Local photoemission spectra and effects of spatial inhomogeneity in the BCS-BEC-crossover regime of a trapped ultracold Fermi gas

  Ota, M., Tajima, H., Hanai, R., Inotani, D. & Ohashi, Y., 2017 5月 22, In: Physical Review A. 95, 5, 053623.

  研究成果: Article › 査読

  • crossovers 100%
  • photoelectric emission 96%
  • inhomogeneity 93%
  • gases 56%
  • traps 55%
  14 被引用数 (Scopus)

• Normal-state properties of a unitary Bose–Fermi mixture: A combined strong-coupling approach with universal thermodynamics

  Kharga, D., Tajima, H., Van Wyk, P., Inotani, D. & Ohashi, Y., 2017 7月 15, In: Journal of the Physical Society of Japan. 86, 7, 074302.

  研究成果: Article › 査読

  • thermodynamics 100%
  • specific heat 76%
  • internal energy 52%
  • entropy 35%
  • temperature dependence 31%

• Pseudogap Phenomena Near the BKT Transition of a Two-Dimensional Ultracold Fermi Gas in the Crossover Region

  Matsumoto, M., Hanai, R., Inotani, D. & Ohashi, Y., 2017 6月 1, In: Journal of Low Temperature Physics. 187, 5-6, p. 668-676 9 p.

  研究成果: Article › 査読

  • crossovers 100%
  • Gases 63%
  • Gas 58%
  • gases 56%
  • approximation 34%
  3 被引用数 (Scopus)

• Single-particle excitations and effects of hetero-pairing fluctuations in a Bose–Fermi mixture with a Feshbach resonance

  Kharga, D., Inotani, D., Hanai, R. & Ohashi, Y., 2017 8月 15, In: Journal of the Physical Society of Japan. 86, 8, 084301.

  研究成果: Article › 査読

  • atomic excitations 100%
  • excitation 66%
  • molecular excitation 51%
  • approximation 35%
  • gases 34%
  6 被引用数 (Scopus)

• Single-Particle Properties of a Strongly Interacting Bose–Fermi Mixture Above the BEC Phase Transition Temperature

  Kharga, D., Inotani, D., Hanai, R. & Ohashi, Y., 2017 6月 1, In: Journal of Low Temperature Physics. 187, 5-6, p. 661-667 7 p.

  研究成果: Article › 査読

  • Phase Transition Temperature 100%
  • Superconducting transition temperature 97%
  • Phase transitions 93%
  • Fermions 80%
  • Self-Energy 75%
  2 被引用数 (Scopus)

• Specific heat and effects of uniaxial anisotropy of a p-wave pairing interaction in a strongly interacting ultracold fermi gas

  Inotani, D., Wyk, P. V. & Ohashi, Y., 2017 4月 15, In: Journal of the Physical Society of Japan. 86, 4, 044301.

  研究成果: Article › 査読

  • wave interaction 100%
  • specific heat 69%
  • anisotropy 56%
  • gases 45%
  • molecules 15%
  2 被引用数 (Scopus)

• Specific Heat of Ultracold Fermi Gas with a Uniaxially Anisotropic p-Wave Interaction at the Superfluid Transition Temperature

  Inotani, D., van Wyk, P. & Ohashi, Y., 2017 6月 1, In: Journal of Low Temperature Physics. 187, 5-6, p. 685-691 7 p.

  研究成果: Article › 査読

  • Supercritical Fluid 100%
  • wave interaction 98%
  • Superconducting transition temperature 95%
  • Specific heat 92%
  • transition temperature 69%

• Spin susceptibility and effects of a harmonic trap in the BCS-BEC crossover regime of an ultracold Fermi gas

  Tajima, H., Hanai, R. & Ohashi, Y., 2017 9月 11, In: Physical Review A. 96, 3, 033614.

  研究成果: Article › 査読

  • crossovers 100%
  • traps 82%
  • magnetic permeability 81%
  • harmonics 76%
  • gases 56%
  7 被引用数 (Scopus)

• Strong-coupling corrections to ground-state properties of a superfluid Fermi gas

  Tajima, H., Van Wyk, P., Hanai, R., Kagamihara, D., Inotani, D., Horikoshi, M. & Ohashi, Y., 2017 4月 19, In: Physical Review A. 95, 4, 043625.

  研究成果: Article › 査読

  • ground state 100%
  • gases 77%
  • internal energy 53%
  • acoustic velocity 52%
  • compressibility 48%
  27 被引用数 (Scopus)

• Strong-Coupling Effects and Shear Viscosity in an Ultracold Fermi Gas

  Kagamihara, D. & Ohashi, Y., 2017 6月 1, In: Journal of Low Temperature Physics. 187, 5-6, p. 692-698 7 p.

  研究成果: Article › 査読

  • Shear viscosity 100%
  • Condensation 70%
  • Shear 64%
  • condensation 62%
  • viscosity 50%
  2 被引用数 (Scopus)

• Strong-coupling properties of a p-wave interacting fermi gas on the viewpoint of specific heat at constant volume

  Inotani, D., Van Wyk, P. & Ohashi, Y., 2017, In: Journal of the Physical Society of Japan. 86, 2, 024302.

  研究成果: Article › 査読

  • specific heat 100%
  • gases 65%
  • transition temperature 14%
  • augmentation 11%
  • molecules 9%
  3 被引用数 (Scopus)

• Zero-Temperature Properties of a Strongly Interacting Superfluid Fermi Gas in the BCS–BEC Crossover Region

  Tajima, H., van Wyk, P., Hanai, R., Kagamihara, D., Inotani, D., Horikoshi, M. & Ohashi, Y., 2017 6月 1, In: Journal of Low Temperature Physics. 187, 5-6, p. 677-684 8 p.

  研究成果: Article › 査読

  • Supercritical Fluid 100%
  • Condensation 88%
  • crossovers 79%
  • Self-Energy 73%
  • Chemical potential 65%
  3 被引用数 (Scopus)
• 2016

  Cooper pairs with zero center-of-mass momentum and their first-order correlation function in a two-dimensional ultracold Fermi gas near a Berezinskii-Kosterlitz-Thouless transition

  Matsumoto, M., Inotani, D. & Ohashi, Y., 2016 1月 21, In: Physical Review A. 93, 1, 013619.

  研究成果: Article › 査読

  • center of mass 100%
  • momentum 73%
  • gases 54%
  • augmentation 12%
  • approximation 11%
  11 被引用数 (Scopus)

• Dip-hump temperature dependence of specific heat and effects of pairing fluctuations in the weak-coupling side of a P-wave interacting fermi gas

  Inotani, D., Van Wyk, P. & Ohashi, Y., 2016 12月 15, In: Journal of the Physical Society of Japan. 85, 12, 123301.

  研究成果: Article › 査読

  • P waves 100%
  • specific heat 66%
  • temperature dependence 54%
  • gases 43%
  • wave interaction 23%
  4 被引用数 (Scopus)

• Momentum Distribution of Cooper Pairs and Strong-Coupling Effects in a Two-Dimensional Fermi Gas Near the Berezinskii–Kosterlitz–Thouless Transition

  Matsumoto, M., Inotani, D. & Ohashi, Y., 2016 5月 1, In: Journal of Low Temperature Physics. 183, 3-4, p. 199-207 9 p.

  研究成果: Article › 査読

  • Momentum Distribution 100%
  • Momentum 48%
  • momentum 37%
  • Gases 30%
  • Gas 28%
  2 被引用数 (Scopus)

• Non-equilibrium Properties of a Pumped-Decaying Bose-Condensed Electron–Hole Gas in the BCS–BEC Crossover Region

  Hanai, R., Littlewood, P. B. & Ohashi, Y., 2016 5月 1, In: Journal of Low Temperature Physics. 183, 3-4, p. 127-135 9 p.

  研究成果: Article › 査読

  • Excitons 100%
  • Nonequilibrium 60%
  • Quasiparticle 60%
  • Exciton 57%
  • crossovers 51%
  19 被引用数 (Scopus)

• Rashbon Bound States Associated with a Spherical Spin–Orbit Coupling in an Ultracold Fermi Gas with an s-Wave Interaction

  Yamaguchi, T., Inotani, D. & Ohashi, Y., 2016 5月 1, In: Journal of Low Temperature Physics. 183, 3-4, p. 161-168 8 p.

  研究成果: Article › 査読

  • Bound State 100%
  • wave interaction 86%
  • Phase transitions 79%
  • Supercritical Fluid 58%
  • Phase diagrams 49%
  3 被引用数 (Scopus)

• Specific heat and effects of pairing fluctuations in the BCS-BEC-crossover regime of an ultracold Fermi gas

  Van Wyk, P., Tajima, H., Hanai, R. & Ohashi, Y., 2016 1月 25, In: Physical Review A. 93, 1, 013621.

  研究成果: Article › 査読

  • Bose-Einstein condensates 100%
  • crossovers 86%
  • specific heat 74%
  • gases 49%
  • transition temperature 12%
  18 被引用数 (Scopus)

• Spin Susceptibility and Effects of Inhomogeneous Strong Pairing Fluctuations in a Trapped Ultracold Fermi Gas

  Tajima, H., Hanai, R. & Ohashi, Y., 2016 5月 1, In: Journal of Low Temperature Physics. 183, 3-4, p. 175-182 8 p.

  研究成果: Article › 査読

  • Spin Susceptibility 100%
  • magnetic permeability 41%
  • traps 34%
  • Gases 32%
  • Gas 30%

• Strong-coupling corrections to spin susceptibility in the BCS-BEC-crossover regime of a superfluid Fermi gas

  Tajima, H., Hanai, R. & Ohashi, Y., 2016 1月 12, In: Physical Review A. 93, 1, 013610.

  研究成果: Article › 査読

  • Bose-Einstein condensates 100%
  • crossovers 86%
  • magnetic permeability 69%
  • gases 49%
  • approximation 14%
  18 被引用数 (Scopus)

• Strong Coupling Effects on the Specific Heat of an Ultracold Fermi Gas in the Unitarity Limit

  van Wyk, P., Tajima, H., Hanai, R. & Ohashi, Y., 2016 5月 1, In: Journal of Low Temperature Physics. 183, 3-4, p. 183-190 8 p.

  研究成果: Article › 査読

  • Specific heat 100%
  • specific heat 73%
  • Heat 70%
  • Gases 54%
  • Supercritical Fluid 53%

• Triplet pair amplitude in a trapped s-wave superfluid Fermi gas with broken spin rotation symmetry. II. Three-dimensional continuum case

  Inotani, D., Hanai, R. & Ohashi, Y., 2016 10月 18, In: Physical Review A. 94, 4, 043632.

  研究成果: Article › 査読

  • continuums 100%
  • symmetry 80%
  • gases 70%
  • parity 61%
  • wave interaction 38%
  2 被引用数 (Scopus)
• 2015

  Pairing fluctuations and an anisotropic pseudogap phenomenon in an ultracold superfluid Fermi gas with plural p-wave superfluid phases

  Inotani, D. & Ohashi, Y., 2015 12月 30, In: Physical Review A - Atomic, Molecular, and Optical Physics. 92, 6, 063638.

  研究成果: Article › 査読

  • gases 100%
  • wave interaction 43%
  • transition temperature 30%
  • matrix theory 23%
  • symmetry 11%
  10 被引用数 (Scopus)