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　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　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　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　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　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　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　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　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　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　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　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　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　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　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　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　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　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　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　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　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　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　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　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　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)　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　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　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　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　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　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　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　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　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　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　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

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　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　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　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　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　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　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　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　Vol. 62　No. 0　p. 302-302　2007

Mott transition in kagome lattice Hubbard model

Takuma Ohashi, Norio Kawakami, Hirokazu Tsunetsugu

PHYSICAL REVIEW LETTERS　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　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　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　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　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　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　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　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　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　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　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　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　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　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　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　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　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　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　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　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　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　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　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　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　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　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　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　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　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　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　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　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　Vol. 56　No. 0　p. 175-175　2001