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Ohhashi Takuma

大橋 琢磨

Graduate School of Science Department of Physics, Assistant Professor

Education

  • - 2003, Osaka University
  • - 2001, Osaka University, School of Engineering

Research Areas

  • Natural sciences, Magnetism, superconductivity, and strongly correlated systems

Professional Memberships

  • 日本物理学会

Papers

  • Field-induced Mott transition in kagome lattice Hubbard model, Tomoko Kita,Takuma Ohashi,Norio Kawakami, PHYSICAL REVIEW B, AMER PHYSICAL SOC, Vol. 87, No. 15, 2013/04
  • Mott Transitions in Three-Orbital Hubbard Model at Fractional Band Filling, Tomoko Kita,Takuma Ohashi,Norio Kawakami, INTERNATIONAL CONFERENCE ON STRONGLY CORRELATED ELECTRON SYSTEMS (SCES 2011), IOP PUBLISHING LTD, Vol. 391, 2012
  • Mott transition in three-orbital Hubbard model with orbital splitting, Tomoko Kita,Takuma Ohashi,Norio Kawakami, Physical Review B - Condensed Matter and Materials Physics, Vol. 84, No. 19, 2011/11/28
  • Mott transition in three-orbital Hubbard model with orbital splitting, Tomoko Kita,Takuma Ohashi,Norio Kawakami, PHYSICAL REVIEW B, AMER PHYSICAL SOC, Vol. 84, No. 19, 2011/11
  • Effects of conduction electron correlation on heavy-fermion systems, Yoshida Tsuneya,Ohashi Takuma,Kawakami Norio, Journal of the Physical Society of Japan, Physical Society of Japan, Vol. 80, No. 6, p. 64710-1〜8, 2011/06
  • Orbital-selective Mott transition in multiorbital Hubbard model with orbital degeneracy lifting (Proceedings of the International Conference on Heavy Electrons 2010 (ICHE2010)), Journal of the Physical Society of Japan, Vol. 80, No. 0, p. SA142-1〜3, 2011
  • Mott transition in the Hubbard model on the anisotropic kagome lattice, Yuta Furukawa,Takuma Ohashi,Yohta Koyama,Norio Kawakami, PHYSICAL REVIEW B, AMER PHYSICAL SOC, Vol. 82, No. 16, 2010/10
  • Cellular Dynamical Mean Field Study on Two-Orbital Hubbard Model with Different Bandwidths, KITA Tomoko,OHASHI Takuma,SUGA Sei-ichiro, Journal of the Physical Society of Japan, The Physical Society of Japan, Vol. 79, No. 1, p. "014713-1"-"014713-5", 2010/01/15
  • Spatial fluctuations of spin and orbital in two-orbital Hubbard model, Tomoko Kita,Takuma Ohashi,Sei-ichiro Suga, Phys. Rev. B. 79, 245128 (2009), 2009/06
  • Exciton Mott transition in electron-hole systems: Dynamical mean-field theory for the continuous-space model, Tomoya Ueda,Takuma Ohashi,Kenichi Asano,Tetsuo Ogawa, LXIII YAMADA CONFERENCE ON PHOTO-INDUCED PHASE TRANSITION AND COOPERATIVE PHENOMENA (PIPT3), IOP PUBLISHING LTD, Vol. 148, p. 12052-3pages, 2009
  • Strongly correlated electrons on frustrated lattices, Tsunetsugu, H.,Hattori, K.,Ohashi, T.,Kawakami, N.,Momoi, T., Journal of Physics: Conference Series, Vol. 145, 2009
  • Non-crossing approximation study of multi-orbital Kondo effect in quantum dot systems, T. Kita,R. Sakano,T. Ohashi,S. Suga, Controllable Quantum States eds. H. Takayanagi, J. Nitta, and H. Nakano (World Scientific, 2008) p.233, Proceedings of International Symposium on Mesoscopic Superconductivity and Spintronics 2006., 2008
  • Crossover behavior in two-channel Kondo model with channel-symmetry breaking, Tomoko Kita,Takuma Ohashi,Sei-ichiro Suga, JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS, ELSEVIER SCIENCE BV, Vol. 310, No. 2, p. E337-E339, 2007/03
  • Anomalous magnetic properties near Mott transition in Kagome lattice Hubbard model, T. Ohashi,S. Suga,N. Kawakami,Tsunetsugu, J. Mag. Mag. Mater. 310, 879 (2007), 2007/03
  • Magnetic correlations around the Mott transition in the Kagome lattice Hubbard model, T. Ohashi,S. Suga,N. Kawakami,H. Tsunetsugu, J. Phys.: Condens. Matter 19, 145251 (2007), 2007/03
  • Transport properties of the orbital Kondo effect via quantum dot systems with plural electrons, R. Sakano,T. Kita,T. Ohashi,S. Suga,N. Kawakami, Physica Status Solidi (A) Applications and Materials Science, Vol. 204, No. 2, p. 492-495, 2007
  • Modulation of three-orbital Kondo effect in quantum dots, T. Kita,R. Sakano,T. Ohashi,S. Suga, Phys. Stat. Sol. (c) 3, 4338 (2006), WILEY-V C H VERLAG GMBH, Vol. 3, No. 12, p. 4338-4341, 2006/01
  • Field-induced phase transition in the periodic Anderson model, Ohashi T,Koga A,Suga SI,Kawakami N, Physica B-Condensed Matter, Vol. 359, p. 738-740, 2005

Misc.

  • 23pBF-3 Magnetic Orders in the Hubbard model on the Kagome lattice II, Higa Ryota,Ohashi Takuma,Asano Kenichi, Meeting Abstracts of the Physical Society of Japan, The Physical Society of Japan, Vol. 70, No. 0, p. 2329-2329, 2015
  • 28pCG-13 Magnetic Orders in the Hubbard model on the Kagome lattice, Higa Ryota,Ohashi Takuma,Asano Kenichi, Meeting Abstracts of the Physical Society of Japan, The Physical Society of Japan, Vol. 69, No. 0, p. 635-635, 2014
  • 27aXX-8 Field-induced Mott transition in kagome lattice Hubbard model, Kita Tomoko,Ohashi Takuma,Kawakami Norio, Meeting Abstracts of the Physical Society of Japan, The Physical Society of Japan, Vol. 68, No. 0, p. 601-601, 2013
  • The study of the novel phase on the Kagome lattice Hubbard model, Higa Ryota,Ohashi Takuma,Asano Kenichi, Meeting Abstracts of the Physical Society of Japan, The Physical Society of Japan, Vol. 68, No. 0, p. 489-489, 2013
  • 21aPSB-7 Effects of magnetic field on kagome lattice Hubbard model, Kita Tomoko,Furukawa Yuta,Ohashi Takuma,Kawakami Norio, Meeting Abstracts of the Physical Society of Japan, The Physical Society of Japan, Vol. 67, No. 0, p. 588-588, 2012
  • 26aEF-11 Effect of a correlation between orbitals on heavy electron systems, Yoshida Tsuneya,Ohashi Takuma,Kawakami Norio, Meeting Abstracts of the Physical Society of Japan, The Physical Society of Japan, Vol. 66, No. 0, p. 592-592, 2011
  • 28aEF-9 Mott transition in three-orbital Hubbard model with orbital level splitting, Kita Tomoko,Ohashi Takuma,Kawakami Norio, Meeting Abstracts of the Physical Society of Japan, The Physical Society of Japan, Vol. 66, No. 0, p. 670-670, 2011
  • 22pGT-10 Linearized dynamical mean field theory for two dimensional Hubbard models, Ueda T.,Ohashi T.,Asano K.,Ogawa T., Meeting Abstracts of the Physical Society of Japan, The Physical Society of Japan, Vol. 66, No. 0, p. 238-238, 2011
  • 21pGK-5 Mott and band insulating phases in three-orbital Hubbard model, Kita Tomoko,Ohashi Takuma,Kawakami Norio, Meeting Abstracts of the Physical Society of Japan, The Physical Society of Japan, Vol. 66, No. 0, p. 482-482, 2011
  • Ground state of electron-hole bilayer with density imbalance, Kazuo Yamashita,Kenichi Asano,Takuma Ohashi, PHYSICA STATUS SOLIDI C: CURRENT TOPICS IN SOLID STATE PHYSICS, VOL 8, NO 1, WILEY-V C H VERLAG GMBH, Vol. 8, No. 1, 2011
  • Structure dependence of metallization density in solid atomic hydrogen using dynamical mean field theory, Kazunori Shibata,Takuma Ohashi,Tetsuo Ogawa,Ryosuke Kodama, PHYSICAL REVIEW B, AMER PHYSICAL SOC, Vol. 82, No. 19, 2010/11
  • Quantum condensation in electron-hole bilayers with density imbalance, Yamashita Kazuo,Asano Kenichi,Ohashi Takuma, Journal of the Physical Society of Japan, Physical Society of Japan, Vol. 79, No. 3, p. 33001-1〜4, 2010/03
  • 20pPSA-2 Mott transition in two-dimensional Hubbard model : Cluster dynamical mean field study, Kita Tomoko,Ohashi Takuma,Suga Sei-ichiro, Meeting Abstracts of the Physical Society of Japan, The Physical Society of Japan, Vol. 65, No. 0, p. 565-565, 2010
  • 22pGE-4 Finite temperature Mott transitions on the anisotropic triangular and kagome lattice, Furukawa Yuta,Ohashi Takuma,Koyama Yohta,Kawakami Norio, Meeting Abstracts of the Physical Society of Japan, The Physical Society of Japan, Vol. 65, No. 0, p. 653-653, 2010
  • 22pPSB-17 Dynamical mean-field study of electron : hole systems in continuous space III, Ueda Tomoya,Ohashi Takuma,Asano Kenichi,Ogawa Tetsuo, Meeting Abstracts of the Physical Society of Japan, The Physical Society of Japan, Vol. 65, No. 0, p. 784-784, 2010
  • 24pPSA-20 Dynamical mean field study of three-component Hubbard model, Ohashi T.,Inaba K.,Asano K.,Ogawa T.,Suga S., Meeting Abstracts of the Physical Society of Japan, The Physical Society of Japan, Vol. 65, No. 0, p. 251-251, 2010
  • 23aPS-8 Effects of orbital fluctuations on orbital selective Mott transiton in multiorbital Hubbard model, Kita Tomoko,Ohashi Takuma,Kawakami Norio, Meeting Abstracts of the Physical Society of Japan, The Physical Society of Japan, Vol. 65, No. 0, p. 461-461, 2010
  • 23pWJ-16 Analysis of an extended periodic Anderson model with continuous time quantum Monte Carlo method II, Yoshida Tsuneya,Ohashi Takuma,Kawakami Norio, Meeting Abstracts of the Physical Society of Japan, The Physical Society of Japan, Vol. 65, No. 0, p. 507-507, 2010
  • 24aRG-1 Ground State of Electron-Hole System in Coupled Quantum Well, Yamashita Kazuo,Asano Kenichi,Ohashi Takuma, Meeting Abstracts of the Physical Society of Japan, The Physical Society of Japan, Vol. 65, No. 0, p. 694-694, 2010
  • 25pPSB-12 Dynamical mean-field study of electron-hole systems, Ueda Tomoya,Ohashi Takuma,Asano Kenichi,Ogawa Tetsuo, Meeting Abstracts of the Physical Society of Japan, The Physical Society of Japan, Vol. 65, No. 0, p. 727-727, 2010
  • Finite-Temperature Mott Transition in Two-Dimensional Frustrated Hubbard Models, OHASHI Takuma,MOMOI Tsutomu,TSUNETSUGU Hirokazu,KAWAKAMI Norio, Progress of Theoretical Physics, Progress of Theoretical Physics, Vol. 176, No. 176, p. 97-116, 2009/02/05
  • 27pPSA-52 Effects of spatially extended fluctuations of spin and orbital in two-orbital Hubbard model, Kita Tomoko,Ohashi Takuma,Suga Sei-ichiro, Meeting Abstracts of the Physical Society of Japan, The Physical Society of Japan, Vol. 64, No. 0, p. 579-579, 2009
  • 28pPSA-47 Dynamical-mean field study of electron-hole systems in continuous space, Ueda Tomoya,Ohashi Takuma,Asano Kenichi,Ogawa Tetsuo, Meeting Abstracts of the Physical Society of Japan, The Physical Society of Japan, Vol. 64, No. 0, p. 747-747, 2009
  • 26aPS-27 Cluster dynamical mean field theory of two-orbital Hubbard model, Kita Tomoko,Ohashi Takuma,Suga Sei-ichiro, Meeting Abstracts of the Physical Society of Japan, The Physical Society of Japan, Vol. 64, No. 0, p. 484-484, 2009
  • 26aPS-41 Dynamical mean-field study of dynamical spin susceptibility in frustrated systems, Ueda Tomoya,Ohashi Takuma, Meeting Abstracts of the Physical Society of Japan, The Physical Society of Japan, Vol. 64, No. 0, p. 487-487, 2009
  • 26aPS-42 Dynamical cluster approximation study on the finite-temperature Mott transition, Ohashi Takuma, Meeting Abstracts of the Physical Society of Japan, The Physical Society of Japan, Vol. 64, No. 0, p. 487-487, 2009
  • 28aTJ-1 Finite temperature Mott transition on anisotropic Kagome lattice, Furukawa Yuta,Ohashi Takuma,Koyama Yohta,Kawakami Norio, Meeting Abstracts of the Physical Society of Japan, The Physical Society of Japan, Vol. 64, No. 0, p. 565-565, 2009
  • 27aPS-67 Dynamical mean-field study of electron-hole systems in continuous space II, Ueda Tomoya,Ohashi Takuma,Asano Kenichi,Ogawa Tetsuo, Meeting Abstracts of the Physical Society of Japan, The Physical Society of Japan, Vol. 64, No. 0, p. 660-660, 2009
  • 28aXB-4 Quantum condensation in electron-hole system with density imbalance, Yamashita Kazuo,Asano Kenichi,Ohashi Takuma,Ogawa Tetsuo, Meeting Abstracts of the Physical Society of Japan, The Physical Society of Japan, Vol. 64, No. 0, p. 683-683, 2009
  • Exciton Mott transition and pair condensation in the electron-hole system, Takuma Ohashi,Tomoya Ueda,Kenichi Asano,Tetsuo Ogawa, LXIII YAMADA CONFERENCE ON PHOTO-INDUCED PHASE TRANSITION AND COOPERATIVE PHENOMENA (PIPT3), IOP PUBLISHING LTD, Vol. 148, 2009
  • Finite-Temperature Mott Transition in Two-Dimensional Frustrated Hubbard Models, Progress of Theoretical Physics Suppliment, Vol. 176, 97, 2009
  • Three-Orbital Kondo Effect in Single Quantum Dot System with Plural Electrons, KITA Tomoko,SAKANO Rui,OHASHI Takuma,SUGA Sei-ichiro, Journal of the Physical Society of Japan, The Physical Society of Japan (JPS), Vol. 77, No. 9, p. "094707-1"-"094707-10", 2008/09/15
  • Three-Orbital Kondo Effect in Single Quantum Dot System with Plural Electrons, Kita Tomoko,Sakano Rui,Ohashi Takuma,Suga Sei-ichiro, Journal of the Physical Society of Japan, Physical Society of Japan, Vol. 77, No. 9, p. 94707-94707, 2008/09/15
  • 20pQF-5 Effects of orbital frustration and nonlocal fluctuations in two-orbital Hubbard model, Kita Tomoko,Ohashi Takuma,Suga Sei-ichiro, Meeting Abstracts of the Physical Society of Japan, The Physical Society of Japan, Vol. 63, No. 0, p. 456-456, 2008
  • 22aPS-27 Fermi-edge singularity in optical response of low-dimensional semiconductors, Nakata Y.,Ogawa T.,Takagiwa M.,Asano K.,Ohashi T., Meeting Abstracts of the Physical Society of Japan, The Physical Society of Japan, Vol. 63, No. 0, p. 656-656, 2008
  • 22aPS-55 Dynamical mean-field theory for the optical response and quantum condensation in electron-hole systems, Ohashi Takuma,Ueda Tomoya,Asano Kenichi,Ogawa Tetsuo, Meeting Abstracts of the Physical Society of Japan, The Physical Society of Japan, Vol. 63, No. 0, p. 663-663, 2008
  • 22aPS-74 Continuous-space dynamical-mean field study of electron-hole systems, Ueda Tomoya,Ohashi Takuma,Asano Kenichi,Ogawa Tetsuo, Meeting Abstracts of the Physical Society of Japan, The Physical Society of Japan, Vol. 63, No. 0, p. 667-667, 2008
  • 23pYJ-4 Analysis of one-dimensional electron-hole systems with Cluster Perturbation Theory, Nishida T.,Asano K.,Tomio Y.,Ohashi T.,Ogawa T., Meeting Abstracts of the Physical Society of Japan, The Physical Society of Japan, Vol. 63, No. 0, p. 705-705, 2008
  • 24aPS-57 Cellular DMFT study of Mott transition in the frustrated systems, Ueda Tomoya,Ohashi Takuma,Kawakami Norio, Meeting Abstracts of the Physical Society of Japan, The Physical Society of Japan, Vol. 63, No. 0, p. 584-584, 2008
  • 24aPS-29 Effects of nonlocal spin- and orbital-fluctuations on Mott transition in two-orbital Hubbard model II, Kita Tomoko,Ohashi Takuma,Suga Sei-ichiro, Meeting Abstracts of the Physical Society of Japan, The Physical Society of Japan, Vol. 63, No. 0, p. 577-577, 2008
  • 25pPSA-18 Extended dynamical mean field theory for electron-hole systems, Ohashi Takuma,Tomio Yuh,Ogawa Tetsuo, Meeting Abstracts of the Physical Society of Japan, The Physical Society of Japan, Vol. 63, No. 0, p. 320-320, 2008
  • Finite temperature mott transition in hubbard model on anisotropic triangular lattice, Ohashi, T.,Momoi, T.,Tsunetsugu, H.,Kawakami, N., Physical Review Letters, Vol. 100, No. 7, 2008
  • Finite temperature mott transition in hubbard model on anisotropic triangular lattice, Ohashi, T.,Momoi, T.,Tsunetsugu, H.,Kawakami, N., Physical Review Letters, Vol. 100, No. 7, 2008
  • 19aPS-5 Cluster dynamical mean field theory analysis of two-orbital Hubbard model, Kita T.,Ohashi T.,Suga S., Meeting Abstracts of the Physical Society of Japan, The Physical Society of Japan, Vol. 62, No. 0, p. 557-557, 2007
  • 20pXE-8 Finite-temperature Mott transition in the Hubbard model on anisotropic triangular lattice, Ohashi Takuma,Momoi Tsutomu,Tsunetsugu Hirokazu,Kawakami Norio, Meeting Abstracts of the Physical Society of Japan, The Physical Society of Japan, Vol. 62, No. 0, p. 636-636, 2007
  • 24pWF-5 Effects of nonlocal spin- and orbital-fluctuations on Mott transition in two-orbital Hubbard model, Kita Tomoko,Ohashi Takuma,Suga Sei-ichiro, Meeting Abstracts of the Physical Society of Japan, The Physical Society of Japan, Vol. 62, No. 0, p. 660-660, 2007
  • 21aPS-11 Extended DMFT study of finite-temperature Mott transition, Ueda Tomoya,Ohashi Takuma,Kawakami Norio, Meeting Abstracts of the Physical Society of Japan, The Physical Society of Japan, Vol. 62, No. 0, p. 521-521, 2007
  • 21aTQ-10 Effects of long-range Coulomb interaction on exiton Mott transition : Extended dynamical mean field study, Ohashi Takuma,Tomio Yuh,Ogawa Tetsuo, Meeting Abstracts of the Physical Society of Japan, The Physical Society of Japan, Vol. 62, No. 0, p. 723-723, 2007
  • 23pPSA-76 Analysis of low-dimensional electron-hole systems with Cluster Perturbation Theory, Nishida T.,Asano K.,Tomio Y.,Ohashi T.,Ogawa T., Meeting Abstracts of the Physical Society of Japan, The Physical Society of Japan, Vol. 62, No. 0, p. 765-765, 2007
  • 24aTL-2 Schwinger boson MF theory of bond-nematic order, Ohashi T.,Momoi T., Meeting Abstracts of the Physical Society of Japan, The Physical Society of Japan, Vol. 62, No. 0, p. 316-316, 2007
  • 21aPS-13 Mean field theory for bond-nematic states in frustrated ferromagnets, Ohashi Takuma,Momoi Tsutomu, Meeting Abstracts of the Physical Society of Japan, The Physical Society of Japan, Vol. 62, No. 0, p. 302-302, 2007
  • Mott transition in kagome lattice Hubbard model, Takuma Ohashi,Norio Kawakami,Hirokazu Tsunetsugu, PHYSICAL REVIEW LETTERS, AMER PHYSICAL SOC, Vol. 97, No. 6, 2006/08
  • Mott transition in kagome lattice Hubbard model, Takuma Ohashi,Norio Kawakami,Hirokazu Tsunetsugu, PHYSICAL REVIEW LETTERS, AMER PHYSICAL SOC, Vol. 97, No. 6, 2006/08
  • 24aZQ-5 Mott and magnetic phase transition in triangular lattice Hubbard model, Ohashi Takuma,Momoi Tsutom,Kawakami Norio,Tsunetsugu Hirokazu, Meeting Abstracts of the Physical Society of Japan, The Physical Society of Japan, Vol. 61, No. 0, p. 435-435, 2006
  • 29pXB-12 Analysis of Orbital Kondo Effect in Quantum Dot Systems : Non-Crossing Approximation Study, Kita T.,Sakano R.,Ohashi T.,Suga S., Meeting Abstracts of the Physical Society of Japan, The Physical Society of Japan, Vol. 61, No. 0, p. 698-698, 2006
  • 29pTD-7 Electron correlation effects on Kagome lattice systems II, Ohashi Takuma,Suga Sei-ichiro,Kawakami Norio,Tsunetsugu Hirokazu, Meeting Abstracts of the Physical Society of Japan, The Physical Society of Japan, Vol. 61, No. 0, p. 616-616, 2006
  • 23aXL-5 Transport Properties via the Multiorbital Kondo Effect in Quantum Dot Systems, Kita T.,Sakano R.,Ohashi T.,Suga S., Meeting Abstracts of the Physical Society of Japan, The Physical Society of Japan, Vol. 61, No. 0, p. 525-525, 2006
  • Magnetic properties of a Kondo insulator with RKKY interaction: extended dynamical mean field study, T Ohashi,S Suga,N Kawakami, JOURNAL OF PHYSICS-CONDENSED MATTER, IOP PUBLISHING LTD, Vol. 17, No. 28, p. 4547-4558, 2005/07
  • Magnetic properties of a Kondo insulator with RKKY interaction: extended dynamical mean field study, T Ohashi,S Suga,N Kawakami, JOURNAL OF PHYSICS-CONDENSED MATTER, IOP PUBLISHING LTD, Vol. 17, No. 28, p. 4547-4558, 2005/07
  • 24pWM-2 Two-site DMFT analysis for the orbital-selective Mott transitions, Hashimoto K.,Ohashi T.,Koga A.,Kawakami N., Meeting Abstracts of the Physical Society of Japan, The Physical Society of Japan, Vol. 60, No. 0, p. 508-508, 2005
  • 25pPSA-42 Cluster-DMFT analysis of the Hubbard model on the Kagome lattice, Ohashi Takuma,Suga Sei-ichiro,Kawakami Norio,Tsunetsngu Hirokazu, Meeting Abstracts of the Physical Society of Japan, The Physical Society of Japan, Vol. 60, No. 0, p. 571-571, 2005
  • 20aPS-5 Mott transitions and magnetic transitions of multiorbital Hubbard Model, Hashimoto K.,Ohashi T.,Koga A.,Kawakami N., Meeting Abstracts of the Physical Society of Japan, The Physical Society of Japan, Vol. 60, No. 0, p. 429-429, 2005
  • 21pYJ-7 Electron correlation effects on Kagome lattice systems, Ohashi Takuma,Suga Sei-ichiro,Kawakami Norio,Tsunetsugu Hirokazu, Meeting Abstracts of the Physical Society of Japan, The Physical Society of Japan, Vol. 60, No. 0, p. 496-496, 2005
  • Field-induced phase transitions in a Kondo insulator, T Ohashi,A Koga,S Suga,N Kawakami, PHYSICAL REVIEW B, AMERICAN PHYSICAL SOC, Vol. 70, No. 24, 2004/12
  • Field-induced phase transitions in a Kondo insulator, Takuma Ohashi,Akihisa Koga,Sei-Ichiro Suga,Norio Kawakami, Physical Review B - Condensed Matter and Materials Physics, Vol. 70, No. 24, p. 1-6, 2004/12
  • Periodic Anderson Model with Degenerate Orbitals: Linearized Dynamical Mean Field Theory Approach, Sato Ryota,Ohashi Takuma,Koga Akihisa,Kawakami Norio, Journal of the Physical Society of Japan, Physical Society of Japan, Vol. 73, No. 7, p. 1864-1869, 2004/07/15
  • Periodic Anderson model with degenerate orbitals: Linearized dynamical mean field theory approach, R Sato,T Ohashi,A Koga,N Kawakami, JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN, PHYSICAL SOC JAPAN, Vol. 73, No. 7, p. 1864-1869, 2004/07
  • 13aPS-56 Extended DMFT study on strongly correlated electron systems, Ohashi Takuma,Koga Akihisa,Suga Seiichiro,Kawakami Norio, Meeting Abstracts of the Physical Society of Japan, The Physical Society of Japan, Vol. 59, No. 0, p. 473-473, 2004
  • 14aWD-5 Extended DMFT study of the Kondo lattice model, Ohashi Takuma,Koga Akihisa,Suga Seiichiro,Kawakami Norio, Meeting Abstracts of the Physical Society of Japan, The Physical Society of Japan, Vol. 59, No. 0, p. 527-527, 2004
  • 28aPS-61 Study of strongly correlated electron systems with geometrical frustration by means of extended dynamical mean-field theory, Sato R,Ohashi T,Koga A,Kawakami N, Meeting Abstracts of the Physical Society of Japan, The Physical Society of Japan, Vol. 59, No. 0, p. 569-569, 2004
  • 30aXA-3 Field-induced phase transition in the periodic Anderson model, Ohashi T,Koga A,Suga S,Kawakami N, Meeting Abstracts of the Physical Society of Japan, The Physical Society of Japan, Vol. 59, No. 0, p. 634-634, 2004
  • Non-Fermi-liquid properties in disordered Kondo systems, S Suga,T Ohashi, JOURNAL OF PHYSICS-CONDENSED MATTER, IOP PUBLISHING LTD, Vol. 15, No. 28, p. S2219-S2222, 2003/07
  • Effects of Degenerate Orbitals on the Hubbard Model, Koga Akihisa,Ohashi Takuma,Imai Yoshiki,Suga Sei-ichiro,Kawakami Norio, Journal of the Physical Society of Japan, Physical Society of Japan, Vol. 72, No. 5, p. 1306-1307, 2003/05/15
  • Effects of degenerate orbitals on the Hubbard model, Akihisa Koga,Takuma Ohashi,Yoshiki Imai,Sei-Ichiro Suga,Norio Kawakami, Journal of the Physical Society of Japan, Vol. 72, No. 5, p. 1306-1307, 2003/05
  • Kondo effect in low-dimensional disordered systems, T Ohashi,S Suga, PHYSICA B-CONDENSED MATTER, ELSEVIER SCIENCE BV, Vol. 329, p. 1275-1276, 2003/05
  • Effects of degenerate orbitals on the Hubbard model, A Koga,T Ohashi,Y Imai,S Suga,N Kawakami, JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN, PHYSICAL SOC JAPAN, Vol. 72, No. 5, p. 1306-1307, 2003/05
  • Kondo Effect in Two-Dimensional Disordered Electron Systems, Sei-ichiro Suga,Takuma Ohashi, JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN, PHYSICAL SOC JAPAN, Vol. 72, 2003/02
  • Dynamical mean field study of the extended periodic Anderson model, Ohashi T.,Koga A.,Suga S.,Kawakami N., Meeting Abstracts of the Physical Society of Japan, The Physical Society of Japan, Vol. 58, No. 0, p. 439-439, 2003
  • Effects of the degenerate orbitals in the periodic Anderson model II, Koga A.,Ohashi T.,Suga S.,Kawakami N., Meeting Abstracts of the Physical Society of Japan, The Physical Society of Japan, Vol. 58, No. 0, p. 459-459, 2003
  • Effects of the degeneratc orbitals in the periodic Anderson model, Koga A.,Ohashi T.,Suga S.,Kawakami N., Meeting Abstracts of the Physical Society of Japan, The Physical Society of Japan, Vol. 58, No. 0, p. 277-277, 2003
  • Interaction effects among conduction electrons on the periodic Anderson model, Ohashi T.,Koga A.,Suga S.,Kawakami N., Meeting Abstracts of the Physical Society of Japan, The Physical Society of Japan, Vol. 58, No. 0, p. 484-484, 2003
  • ハバード模型における軌道縮退効果(2002年度基研研究会「軌道自由度を持つ強相関電子系の理論の進展」,研究会報告), 古賀 昌久,大橋 琢磨,今井 剛樹,菅 誠一郎,川上 則雄, 物性研究, 物性研究刊行会, Vol. 79, No. 6, p. 973-974, 2003
  • Susceptibility of a Magnetic Impurity in Two-Dimensional Disordered Electron Systems, Ohashi Takuma,Suga Sei-ichiro, Journal of the Physical Society of Japan, Physical Society of Japan, Vol. 71, No. 5, p. 1246-1249, 2002/05/15
  • Susceptibility of a Magnetic Impurity in Two-Dimensional Disordered Electron Systems, Takuma Ohashi,Sei-Ichiro Suga, Journal of the Physical Society of Japan, Vol. 71, No. 5, p. 1246-1249, 2002/05
  • Susceptibility of a magnetic impurity in two-dimensional disordered electron systems, T Ohashi,S Suga, JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN, PHYSICAL SOC JAPAN, Vol. 71, No. 5, p. 1246-1249, 2002/05
  • 25pXY-7 Kondo effect in low dimensional disordered systems II, Ohashi Takuma,Suga Seiichiro, Meeting abstracts of the Physical Society of Japan, The Physical Society of Japan (JPS), Vol. 57, No. 1, p. 265-265, 2002/03/01
  • Kondo effect in disordered systems and non-Fermi-liquid properties in UCu5-xPdx, Suga Seiichiro,Ohashi Takuma, Meeting Abstracts of the Physical Society of Japan, The Physical Society of Japan, Vol. 57, No. 0, p. 437-437, 2002
  • Kondo effect in low dimensional disordered systems II, Ohashi Takuma,Suga Seiichiro, Meeting Abstracts of the Physical Society of Japan, The Physical Society of Japan, Vol. 57, No. 0, p. 283-283, 2002
  • Kondo effect in low-dimensional disordcred systems, Ohashi Takuma,Suga Seiichiro, Meeting Abstracts of the Physical Society of Japan, The Physical Society of Japan, Vol. 56, No. 0, p. 175-175, 2001

Works

  • リング交換が生む新奇な磁性状態の解明, 2008 -
  • 半導体光励起状態における量子協力現象と動的応答, 2008 -
  • リング交換が生む新奇な磁性状態の解明, 2007 -
  • 半導体光励起状態における量子協力現象と動的応答, 2007 -
  • 量子細線レーザーにおける電子間相互作用と低次元性, 2007 -
  • 量子ドット列における光物性の理論解析, 2007 -