Evolution of novel superconductivity in p-and d- electron systems

• Project/Area Number: 16076212
• Research Category: Grant-in-Aid for Scientific Research on Priority Areas
• Allocation Type: Single-year Grants
• Review Section: Science and Engineering
• Research Institution: Aoyama Gakuin University
• Principal Investigator: AKIMITSU Jun Aoyama Gakuin University, 理工学部, 教授 (80013522)
• Co-Investigator(Kenkyū-buntansha): IMADA Masatoshi 東京大学大学院, 工学系研究科, 教授 (70143542) ; OGUCHI Tamio 広島大学, 大学院・先端物質科学研究科, 教授 (90253054) ; FURUKAWA Nobuo 青山学院大学, 理工学部, 教授 (00238669)
• Project Period (FY): 2004 – 2008
• Project Status: Completed (Fiscal Year 2008)
• Budget Amount: ¥111,200,000 (Direct Cost: ¥111,200,000); Fiscal Year 2008: ¥8,500,000 (Direct Cost: ¥8,500,000); Fiscal Year 2007: ¥8,500,000 (Direct Cost: ¥8,500,000); Fiscal Year 2006: ¥12,200,000 (Direct Cost: ¥12,200,000); Fiscal Year 2005: ¥27,900,000 (Direct Cost: ¥27,900,000); Fiscal Year 2004: ¥54,100,000 (Direct Cost: ¥54,100,000)
• Keywords: 超伝導材料・素子 / 強相関電子系 / 低温物性 / 物性理論 / 先端機能デバイス

Research Abstract

p電子系およびd電子系において、BドープSiCやT2Ga9(T=Ir, Rh)などの新規超伝導体の開発に成功した。また、それらの詳細な物性測定、電子状態の計算や計算手法の確立を通じて数多くの超伝導体の超伝導発現メカニズムについて解析を行った。特に、Ln2C3(Ln=Y, La)における2ギャップ超伝導、CaAlSiにおける長周期構造と超伝導特性との相関、BドープSiCの超伝導発現機構を明らかにした。

Research Products

• [Journal Article] Thermodynamic Properties of the Non-centrosymmetric Type-I Superconductor Rh2Ga9 and Ir2Ga9 (2009)
  • Author(s): Kouhei Wakui, Satoshi Akutagawa, Naoki Kase, Kenji Kawashima, Takahiro Muranaka, Yasufumi Iwahori, Jiro Abe, and Jun Akimitsu
  • Journal Title: J. Phys. Soc. Jpn. 78
  • NAID: 130005437307
  • Peer Reviewed
• [Journal Article] Evolution of Electronic Structure of Doped Mott Insulators : Reconstruction of Poles and Zeros of Green's Function (2009)
  • Author(s): S. Sakai,Y. Motome and M. Imada,
  • Journal Title: Phys. Rev. Lett 102
  • Peer Reviewed
• [Journal Article] Soft Hubbard Gaps in Disordered Itinerant Models with Short-Range Interaction (2009)
  • Author(s): H. Shinaoka and M. Imada
  • Journal Title: Phys. Rev. Lett. 102
  • Peer Reviewed
• [Journal Article] Momentum Distributions of a Spinless Fermion t-V Model on a Triangular Lattice in the Strong Coupling Region (2009)
  • Author(s): K. Matsuda, S. Miyahara, and N. Furukawa
  • Journal Title: J. Phys.: Conf. Ser. 150
  • Peer Reviewed
• [Journal Article] Variational Monte Carlo Study of a Spinless Fermion t-V Model on a Triangular Lattice: Formation of a Pinball Liquid (2009)
  • Author(s): Mitake Miyazaki, Chisa Hotta, Shin Miyahara, Keisuke Matsuda, Nobuo Furukawa
  • Journal Title: J. Phys. Soc. Jpn. 78No.1
  • NAID: 110007042100
  • Peer Reviewed
• [Journal Article] Spin-Orbit Effects on the Ru-d Orbital Hybridization and Fermi Surface in Ca2-xSrxRuO4 (2009)
  • Author(s): T. Oguchi
  • Journal Title: J. Phys. Soc. Jpn. 78
  • NAID: 130005437373
  • Peer Reviewed
• [Journal Article] Superconducting Gap and Valence Band of Mg10Ir19B16 Studied by Laser and Synchrotron Photoemission Spectroscopy (2009)
  • Author(s): R. Yoshida, H. Okazaki, K. Iwai, K. Noami, T. Muro, M. Okawa, K. Ishizaka, S. Shin, Z. Li, J. Luo, G. Zheng, T. Oguchi, M. Hirai, Y. Muraoka and T. Yokoya
  • Journal Title: J. Phys. Soc. Jpn 78
  • NAID: 130005437309
  • Peer Reviewed
• [Journal Article] Soft X-ray Core-Level Photoemission Study of Boron Sites in Heavily Boron-Doped Diamond Films (2009)
  • Author(s): H. Okazaki, R. Yoshida, T. Muro, T. Wakita,M. Hirai, Y. Muraoka, Y. Takano, S. Iriyama, H. Kawarada, T. Oguchi and T. Yokoya
  • Journal Title: J. Phys. Soc. Jpn 78
  • NAID: 110007138874
  • Peer Reviewed
• [Journal Article] Full Gap Superconductivity in Ba_<0.6>K_<0.4>Fe_2As_2 Probed by Muon Spin Rotation (2009)
  • Author(s): Masatoshi Hiraishi
  • Journal Title: J. Phys. Soc. Jpn. 78
  • Peer Reviewed
• [Journal Article] Conventional s-Wave Superconductivity in Noncentrosymmetric Ir_2Ga_9: ^<71>Ga-NQR Evidence (2009)
  • Author(s): Atsushi Harada
  • Journal Title: J. Phys. Soc. Jpn. 78
  • Peer Reviewed
• [Journal Article] Thermodynamic Properties of the Non-centrosymmetric Type-I Superconductor Rh2Ga9 and Ir^2Ga^9 (2009)
  • Author(s): Kouhei Wakui
  • Journal Title: J. Phys. Soc. Jpn. 78
  • Peer Reviewed
• [Journal Article] Soft Hubbard gaps in disordered itinerant models with short-range interaction (2009)
  • Author(s): H. Shinaoka
  • Journal Title: Phys. Rev. Lett. 102
  • Peer Reviewed
• [Journal Article] Evolution of Electronic Structure of Doped Mott insulators : Reconstruction of Poles and Zeros of Green's Function (2009)
  • Author(s): Shifo Sakai
  • Journal Title: Phys. Rev. Lett. 102
  • Peer Reviewed
• [Journal Article] Soft X-ray Core-Level Photoemission Study of Boron Sites in Heavily Boron-Doped Diamond Films (2009)
  • Author(s): Hiroyuki Okazaki
  • Journal Title: J. Phys. Soc. Jpn. 78
  • Peer Reviewed
• [Journal Article] Superconducting Gap and Valence Band of Mg_<10>Ir_<19>B_<16> Studied by Laser and Synchrotron Photoemission Spectros copy (2009)
  • Author(s): Rikiya Yoshida
  • Journal Title: J. Phys. Soc. Jpn. 78
  • Peer Reviewed
• [Journal Article] Spin-Orbit Effects on the Ru-d Orbital Hybridization and Fermi Surface in Ca_<2-x>Sr_xRuO_4 (2009)
  • Author(s): Tamio Oguchi
  • Journal Title: J. Phys. Soc. Jpn. 78
  • NAID: 10025959487
  • Peer Reviewed
• [Journal Article] Momentum Distributions of a Spinless Fermion t-V Model on a Triangular Lattice in the Strong Coupling Region (2009)
  • Author(s): Keisuke Matsuda
  • Journal Title: J. Phys. : Conf. Ser. 150
  • Peer Reviewed
• [Journal Article] Variational Monte Carlo Study of a Spinless Fermion t-V Model on a Triangular Lattice : Formation of a Pinball Liquid (2009)
  • Author(s): Mitake Miyazaki
  • Journal Title: J. Phys. Soc. Jpn. 78
  • Peer Reviewed
• [Journal Article] YbRh2Si2 : Quantum Tricritical Behavior in Itinerant Electron Systems (2008)
  • Author(s): T. Misawa, Y. Yamaji and M. Imada
  • Journal Title: J. Phys. Soc. Jpn. 77
  • NAID: 130005436980
  • Peer Reviewed
• [Journal Article] Multigap Superconductivity in Sesquicarbides La2C3 and Y2C3 (2008)
  • Author(s): S. Kuroiwa, Y. Saura, J. Akimitsu, M. Hiraishi, M. Miyazaki, K. H. Satoh, S. Takeshita, and R. Kadono
  • Journal Title: Phys. Rev. Lett 100 Pages: 97002-97002
  • Peer Reviewed
• [Journal Article] Projection Method for Exact Diagonalization in the Strong Coupling Limit for Frustrated Models with Highly Degenerate Ground States (2008)
  • Author(s): K. Matsuda, S. Miyahara, and N. Furukawa
  • Journal Title: J. Phys. Soc. Jpn 77 No.8
  • NAID: 110006914852
  • Peer Reviewed
• [Journal Article] Crystal Structure and Charge-Ordering in La_1.5Ca_0.5CoO_4 Studied by Neutron and Resonant X-ray Scattering (2008)
  • Author(s): Kazumasa Horigane
  • Journal Title: J. Phys. Soc. Jpn. 77
  • Peer Reviewed
• [Journal Article] Commensurate to Incommensurate Transition in the Chiral Helimagnet CuB_2O_4 (2008)
  • Author(s): Toshiyuki Fujita
  • Journal Title: J. Phys. Soc. Jpn. 77
  • Peer Reviewed
• [Journal Article] Soft-phonon-driven superconductivity in CaAlSi as seen by inelastic x-ray scattering (2008)
  • Author(s): S. Kuroiwa
  • Journal Title: Phys. Rev. B 77
  • Peer Reviewed
• [Journal Article] Pressure effects on the superconducting transition in nH-CaAlSi (2008)
  • Author(s): L. Boeri
  • Journal Title: Phys. Rev. B 77
  • Peer Reviewed
• [Journal Article] Superconductivity in the Ternary Germanide Y_3Pt_4Ge_6 (2008)
  • Author(s): Naoki Kase
  • Journal Title: J. Phys. Soc. Jpn. 77
  • Peer Reviewed
• [Journal Article] Thermodynamic properties of the clathrate-type silver-oxide Ag_6O_8AgH F_2 (2008)
  • Author(s): K. Kawashima
  • Journal Title: Physica C 468 Pages: 464-470
  • Peer Reviewed
• [Journal Article] Structural phase evolution and superconductivity in the non-stoichiometric intermetallic compound niobium diboride (2008)
  • Author(s): Zhi-An Ren
  • Journal Title: Physica C 468 Pages: 411-416
  • Peer Reviewed
• [Journal Article] Specific heat and electronic states of superconducting boron-doped silicon carbide (2008)
  • Author(s): M. Kriener
  • Journal Title: Phys. Rev. 78
  • Peer Reviewed
• [Journal Article] Influence of doping on the Hall coefficient in Sr_<14-x>Ca_xCu_<24>O_<41> (2008)
  • Author(s): E. Tafra
  • Journal Title: Phys. Rev. B 78
  • Peer Reviewed
• [Journal Article] Significant softening of c66 and hidden order parameter in the magnetic ordered state of La_<2-x>Ca_xCoO_4 (0.4≦x≦0.7) (2008)
  • Author(s): K. Horigane
  • Journal Title: Phys. Rev. B 78
  • Peer Reviewed
• [Journal Article] Anomalous phonon properties in the silicide superconductors CaAlSi and SrAlSi (2008)
  • Author(s): S. Kuroiwa
  • Journal Title: Phys. Rev. B 78
  • Peer Reviewed
• [Journal Article] Superconductivity in carrier-doped silicon carbide (2008)
  • Author(s): Takahiro Muranaka
  • Journal Title: Sci. Techn. Adv. Mater 9
  • Peer Reviewed
• [Journal Article] Superconductivity in heavily boron-doped silicon carbide (2008)
  • Author(s): Markus Kriener
  • Journal Title: Sci. Techn. Adv. Mater 9
  • Peer Reviewed
• [Journal Article] Variational Monte Carlo Study of Electron Differentiation around Mott Transition (2008)
  • Author(s): D. Tahara
  • Journal Title: J. Phys. Soc. Jpn 77
  • Peer Reviewed
• [Journal Article] Ab initio Derivation of Low-Energy Model for Iron-Based Superconductors LaFeAsO and LaFePO (2008)
  • Author(s): K. Nakamura
  • Journal Title: J. Phys. Soc. Jpn 77
  • Peer Reviewed
• [Journal Article] YbRh_2Si_2 : Quantum Tricritical Behavior in Itinerant Electron Systems (2008)
  • Author(s): T. Misawa
  • Journal Title: J. Phys. Soc. Jpn. 77
  • Peer Reviewed
• [Journal Article] Variational Monte Carlo Method Combined with Quantum-Number Proiection and Multi-Variable Optimization (2008)
  • Author(s): D. Tahara
  • Journal Title: J. Phys. Soc. Jpn. 77
  • Peer Reviewed
• [Journal Article] Electronic structure of boron-doped diamond with B-H complex and B pair (2008)
  • Author(s): Tamio Oguchi
  • Journal Title: Sci. Technol. Adv. Mater. 9
  • NAID: 120001700478
  • Peer Reviewed
• [Journal Article] Specific heat and electronic states of superconducting boron-doped silicon carbide (2008)
  • Author(s): M. Kriener
  • Journal Title: Phys. Rev. B 78
  • Peer Reviewed
• [Journal Article] Holes in the Valence Band of Superconducting Boron-Doped Diamond Film Studied by Soft X-ray Absorption and Emission Spectroscopy (2008)
  • Author(s): J. Nakamura
  • Journal Title: J. Phys. Soc. Jpn. 77
  • Peer Reviewed
• [Journal Article] Projection Method for Exact Diagonalization in the Strong Coupling Limit for Frustrated Models with Highly Degenerate Ground States (2008)
  • Author(s): Keisuke Matsuda
  • Journal Title: J. Phys. Soc. Jpn. 77
  • Peer Reviewed
• [Journal Article] Electrical Resistivity of Y_2C_3 Investigated by Microwave Surface Impedance Measurement (2008)
  • Author(s): Satoshi Akutagawa
  • Journal Title: Journal of Physical Society of Japan 77
  • Peer Reviewed
• [Journal Article] Multigap Superconductivity in Sesquicarbides La_2C_3 and Y_2C_3 (2008)
  • Author(s): S. Kuroiwa
  • Journal Title: Physical Review Letters 100
  • Peer Reviewed
• [Journal Article] Superconductivity in Boron-doped SiC (2007)
  • Author(s): Zhi-An Ren, Junya Kato, Takahiro Muranaka, Jun Akimitsu, Markus Kriener, and Yoshiteru Maeno
  • Journal Title: J. Phys. Soc. Jpn. 76(10)
  • NAID: 110006448300
  • Peer Reviewed
• [Journal Article] Superconductivity in Boron-doped SiC (2007)
  • Author(s): Z.A. Ren
  • Journal Title: Journal of Physical Society of Japan 76
  • Peer Reviewed
• [Journal Article] Spin and Charge Orders and Their Hole-Doping Dependence in Single Layered Cobaltate La_<2-x>Ca_xCoO_4 (0.3≦x≦0.8) (2007)
  • Author(s): Kazumasa Horigane
  • Journal Title: Journal of Physical Society of Japan 76
  • Peer Reviewed
• [Journal Article] Chiral Magnetic Ordering and Commensurate-to-Incommensurate Transition in CuB_2O_4 (2007)
  • Author(s): Yusuke Kousaka
  • Journal Title: Journal 0f Physical Society of Japan 76
  • Peer Reviewed
• [Journal Article] Antiferromagnetic Ising Model 0n Inverse Perovskite Lattice (2007)
  • Author(s): D. Tahara
  • Journal Title: J. Phys. Soc. Jpn 76
  • Peer Reviewed
• [Journal Article] Quantum criticality around metal-insulator transitions of stronglycorrelated electrons (2007)
  • Author(s): T. Misawa
  • Journal Title: Phys. Rev. B 75
  • Peer Reviewed
• [Journal Article] Quantum Metamagnetic Transitions Induced by Changes in Fermi-SurfaceTopology: Applications to a Weak Itinerant-Electron Ferromagnet ZrZn_2 (2007)
  • Author(s): Y. Yamaji
  • Journal Title: J. Phys. Soc. Jpn. 76
  • Peer Reviewed
• [Journal Article] Quantum criticalities induced by Lifshitz transitions (2007)
  • Author(s): Y. Yamaji
  • Journal Title: J. Magn. Magn. Mater. 310 Pages: 838-840
  • Peer Reviewed
• [Journal Article] Quantum valence criticality and superconductivity (2007)
  • Author(s): S. Watanabe
  • Journal Title: J.Magn. Magn. Mater. 310 Pages: 841-843
  • Peer Reviewed
• [Journal Article] Marginal quantum criticality of metal-insulator transitions (2007)
  • Author(s): T. Misawa
  • Journal Title: J. Magn. Magn. Mater. 310 Pages: 925-927
  • Peer Reviewed
• [Journal Article] Pseudogap and Mott Transition Studied by Cellular Dynamical Mean Field Theory (2007)
  • Author(s): Y. Z. Zhang
  • Journal Title: Phys. Rev. B 76
  • Peer Reviewed
• [Journal Article] Gaussian-Basis Monte Carlo Method for Numerical Study on Ground States of Itinerant and Strongly Correlated Electron Systems (2007)
  • Author(s): T. Aimi
  • Journal Title: J. Phys. Soc. Jpn 76
  • Peer Reviewed
• [Journal Article] What is Minimal Model of ^3He Adsorbed on Graphite?…Importance of Density Fluctuations in 4/7 Registered Solid… (2007)
  • Author(s): S. Watanabe
  • Journal Title: J. Phys. Soc. Jpn. 76
  • Peer Reviewed
• [Journal Article] Does Simple Two-Dimensional Hubbard Model Account for High-T_c Superconductivity in Copper Oxides? (2007)
  • Author(s): T. Aimi
  • Journal Title: J. Phys. Soc. Jpn 76
  • Peer Reviewed
• [Journal Article] Electronic Properties of Y_2C_3 by First-Principles Calculations (2007)
  • Author(s): Y. Nishikayama
  • Journal Title: J. Phys. Soc. Jpn. 76
  • Peer Reviewed
• [Journal Article] Microscopic evidence for evolution of superconductivity by effective carrier doping in boron-doped diamond ^11B-NMR study (2007)
  • Author(s): H. Mukuda
  • Journal Title: Phys. Rev. B 75
  • Peer Reviewed
• [Journal Article] Core-level electronic structure evolution of heavily boron-doped superconducting diamond studied witii hard x-ray photoemission spectroscopy (2007)
  • Author(s): T. Yokoya
  • Journal Title: Phys. Rev. B 75
  • Peer Reviewed
• [Journal Article] Electronic Structures of CaAlSi with Different Stacking AlSi Layers by First-Principles Calculations (2007)
  • Author(s): Sogo Kuroiwa
  • Journal Title: J. Phys. Soc. Jpn. 76
  • Peer Reviewed
• [Journal Article] BCS theory on a flat band lattice (2007)
  • Author(s): S. Miyahara
  • Journal Title: Physica C 460-462 Pages: 1145-1146
  • Peer Reviewed
• [Journal Article] Multigap Superconductivity in Y_2C_3 : A ^<13>C-NMR Study (2007)
  • Author(s): A.Harada
  • Journal Title: J. Phys. Soc. Jpn. 76
• [Journal Article] Quantum criticality around metal-insulator transitions of strongly correlated electrons (2007)
  • Author(s): T.Misawa, M.Imada
  • Journal Title: Physical Review B 75
• [Journal Article] Correlation between crystal structures of CaAlSi with and without superlattice and superconducting properties (2006)
  • Author(s): S.Kuroiwa
  • Journal Title: Phys. Rev. B 74
• [Journal Article] Gapless quantum spin liquid, stripe, and antiferromagnetic phases in frustrated Hubbard models in two dimensions (2006)
  • Author(s): T.Mizusaki, M.Imada
  • Journal Title: Physical Review B 74
• [Journal Article] Superconductivity Emerging near Quantum Critical Point of Valence Transition (2006)
  • Author(s): S.Watanabe, M.Imada, K.Miyake
  • Journal Title: Journal of the Physical Society of Japan 75
  • NAID: 110004729253
• [Journal Article] Tricritical Behavior in Charge-Order System (2006)
  • Author(s): T.Misawa, Y.Yamaji, M.Imada
  • Journal Title: Journal of the Physical Society of Japan 75
  • NAID: 110004731510
• [Journal Article] Fate of Quasiparticle at Mott Transition and Interplay with Lifshitz Transition Studied by Correlator Projection Method (2006)
  • Author(s): K.Hanasaki, M.Imada
  • Journal Title: Journal of the Physical Society of Japan 75
  • NAID: 110004799213
• [Journal Article] Quantum Critical Opalescence around Metal-Insulator Transitions (2006)
  • Author(s): T.Misawa, Y.Yamaji, M.Imada
  • Journal Title: Journal of the Physical Society of Japan 75
  • NAID: 110004799192
• [Journal Article] Quantum and Topological Criticalities of Lifshitz Transition in Two-Dimensional Correlated Electron Systems (2006)
  • Author(s): Y.Yamaji, T.Misawa, M.Imada
  • Journal Title: Journal of the Physical Society of Japan 75
  • NAID: 110004789090
• [Journal Article] Anisotropic s-wave superconductors studied by angle-resolved photoemission spectroscopy (2006)
  • Author(s): T.Yokoya
  • Journal Title: J. Phys. Chem. Solids 63 Pages: 277-281
• [Journal Article] Soft X-ray angle-resolved photoemission spectroscopy of heavily boron-doped superconducting diamond films (2006)
  • Author(s): T.Yokoya
  • Journal Title: Sci. Tech. Adv. Mater. 7
• [Journal Article] Electronic Structure of B-doped Diamond : A First-principles Study (2006)
  • Author(s): T.Oguchi
  • Journal Title: Sci. Tech. Adv. Mater. 7
  • NAID: 120000878128
• [Journal Article] Spontaneous Formation of Vanadium "Molecules" in a Geometrically Frustrated Crystal : AlV_2O_4 (2006)
  • Author(s): Y.Horibe
  • Journal Title: Phys. Rev. Lett. 96
• [Journal Article] Spin Singlet State in Heptamers Emerging in Spinel Oxide AlV_2O_4 (2006)
  • Author(s): K.Matsuda
  • Journal Title: J. Phys. Soc. Jpn. 75
• [Journal Article] Superconductivity in Y_2C_3 with medium T_c (2006)
  • Author(s): S.Akutagawa
  • Journal Title: Science and Technology of Advanced Materials 7 Pages: 2-5
• [Journal Article] Crystal symmetry and superlattice reflection in spin-Peierls system TiOBr (2006)
  • Author(s): T.Sasaki
  • Journal Title: Science and Technology of Advanced Materials 7 Pages: 17-21
• [Journal Article] Spontaneous Formation of Vanadium "Molecules" in a Geometrically Frustrated Crystal : AlV_2O_4 (2006)
  • Author(s): Y.Horibe
  • Journal Title: Phys.Rev.Lett. 96
• [Journal Article] Superconductivity in MgB_2 (2005)
  • Author(s): T.Muranaka
  • Journal Title: Frontiers in Superconducting Materials Pages: 937-981
• [Journal Article] X-ray diffraction study of MgB_2 at low temperature (2005)
  • Author(s): Y.Xue
  • Journal Title: J.Low Temp.Phys. 138Nos.5/6 Pages: 1105-1105
• [Journal Article] Correlation between Superconducting Carrier Density and Transition Temperature in NbB2+x, (2005)
  • Author(s): H.Takagiwa
  • Journal Title: J.Phys.Soc.Jpn. 74No.5 Pages: 1386-1389
• [Journal Article] Infrared Absorption Study of Ca_<2-x>Na_xCuO_2X_2 (X=Cl, Br) (2005)
  • Author(s): Y.Zenitani
  • Journal Title: J.Phys.Soc.Jpn. 74No.6 Pages: 1877-1878
• [Journal Article] Observation of Phase Transition with Lattice Distortion in the Low-dimensional Quantum Spin System TiOBr by Synchrotron X-ray Diffraction (2005)
  • Author(s): T.Sasaki
  • Journal Title: J.Phys.Soc.Jpn. 74No.8 Pages: 2185-2188
• [Journal Article] Electronic structure of strongly correlated systems emerging from combining path-integral renormalization group with the density-functional approach (2005)
  • Author(s): Y.Imai, I.V.Solovyev, M.Imada
  • Journal Title: Phys.Rev.Lett 95
• [Journal Article] Screening of Coulomb interactions in transition metals (2005)
  • Author(s): I.V.Solovyev, M.Imada
  • Journal Title: Phys.Rev.B 71 Pages: 45103-45103
• [Journal Article] Universality classes of metal-insulator transitions in strongly correlated electron systems and mechanism of high-temperature superconductivity (2005)
  • Author(s): M.Imada
  • Journal Title: Phys.Rev.B 72 Pages: 75113-75113
• [Journal Article] Quntum Mott Transition and Superconductivity (2005)
  • Author(s): M.Imada
  • Journal Title: J.Phys.Soc.Jpn. 74 Pages: 859-862
• [Journal Article] Path-integral renormalization group method with quantum-number projection (2005)
  • Author(s): T.Mizusaki, M.Imada
  • Journal Title: Comp.Phys.Commun. 169 Pages: 408-411
• [Journal Article] Charge susceptibility of the Hubbard chain with next-nearest-neighbor hopping (2005)
  • Author(s): H.Nakano, Y.Takahashi, M.Imada
  • Journal Title: Physica B-Condensed Matter 359 Pages: 657-659
• [Journal Article] Electronic band structure and Fermi surface of Ag_5Pb_2O_6 (2005)
  • Author(s): T.Oguchi
  • Journal Title: Phys.Rev.B 72
• [Journal Article] Origin of the metallic properties of heavily boron-doped superconducting diamond (2005)
  • Author(s): T.Yokoya
  • Journal Title: Nature 438 Pages: 647-650
• [Journal Article] Flat-Bands on Partial Line Graphs--Systematic Method for Generating Flat-Band Lattice Structures (2005)
  • Author(s): Shin Miyahara
  • Journal Title: J.Phys.Soc.Jpn 74・7 Pages: 1918-1921
• [Journal Article] Superconductivity in Intermetallic W_7Re_<13>X (X=B and C) Compounds (2005)
  • Author(s): K.Kawashima, A.Kawano, T.Muranaka, J.Akimitsu
  • Journal Title: J.Phys.Soc.Jpn. 74 Pages: 700-704
  • NAID: 110001979434
• [Journal Article] Non-Degenerate Ground State in the Antiferromagnetic Double Exchange Model on a Triangular Lattice (2005)
  • Author(s): Y.Shimomura, S.Miyahara, N.Furukawa
  • Journal Title: J.Phys.Soc.Jpn.Suppl. (発表予定)(印刷中)
• [Journal Article] Unconvetional Behavoir of Field-induced Quasiparticle Excitation in Ca(Al_<0.5>Si_<0.5>)_2 (2004)
  • Author(s): S.Kuroiwa, H.Takagiwa, M.Yamazawa, J.Akinutsu, K.Ohishi
  • Journal Title: J.Phys.Soc.Jpn. 73 Pages: 2631-2634
• [Journal Article] Spin Dodecamer Formation in the Double-Exchange Spin Ice Model (2004)
  • Author(s): Y.Shimomura, S.Miyahara, N.Furukawa
  • Journal Title: J.Phys.Soc.Jpn. 73 No.7 Pages: 1623-1626
  • NAID: 110001954863
• [Journal Article] Quantum Mott Transition and Multi-Furcating Criticality (2004)
  • Author(s): M.Imada
  • Journal Title: J.Phys.Soc.Jpn. 73 Pages: 1851-1863
  • NAID: 110001954902
• [Journal Article] Electronic band structure and structural properties of zircon nitride chloride (2004)
  • Author(s): H.Sugimoto, T.Oguchi
  • Journal Title: J.Phys.Soc.Jpn. 73 Pages: 2771-2776
  • NAID: 110001979203
• [Presentation] モット転移におけるグリーン関数の極と零点の再構成 (2009)
  • Author(s): 酒井志朗
  • Organizer: 日本物理学会第64回年次大会
  • Place of Presentation: 立教大/立教池袋中・高
  • Year and Date: 2009-03-30
• [Presentation] 光格子中のフェルミオンによる超流動相と絶縁体相 (2009)
  • Author(s): 渡辺良太
  • Organizer: 日本物理学会第64回年次大会
  • Place of Presentation: 立教大/立教池袋中・高
  • Year and Date: 2009-03-28
• [Presentation] ダイヤモンドにおける高濃度ドープボロンのつくる欠陥 : 理論 (2009)
  • Author(s): 小口多美夫
  • Organizer: 日本物理学会第64回年会
  • Place of Presentation: 立教大学
  • Year and Date: 2009-03-28
• [Presentation] レーザー角度分解光電子分光によるBaFe_2As_2のフェルミ面観測 (2009)
  • Author(s): 下志万貴博
  • Organizer: 日本物理学会第64回年会
  • Place of Presentation: 立教大学
  • Year and Date: 2009-03-28
• [Presentation] ガウス基底モンテカルロ法によるフラストレートした2次元ハバード模型の解析 (2009)
  • Author(s): 中本光則
  • Organizer: 日本物理学会第64回年次大会
  • Place of Presentation: 立教大/立教池袋中・高
  • Year and Date: 2009-03-27
• [Presentation] Unconventional soft gaps in strongly-correlated systems with coexisting short?range interaction and disorder (2009)
  • Author(s): H. Shinaoka
  • Organizer: American Physical Society March Meeting
  • Place of Presentation: Pittsburgh, USA
  • Year and Date: 2009-03-17
• [Presentation] Electronic Structure Calculation of Real Strongly Correlated Materials (2009)
  • Author(s): M. Imada
  • Organizer: Supercomputing in Solid State Physics
  • Place of Presentation: 東京大学,
  • Year and Date: 2009-02-17
• [Presentation] Electronic Structure Calculation of Real Strongly Corre lated Materials (2009)
  • Author(s): M. Imada
  • Organizer: Supercomputing in Solid State Physics 2009
  • Place of Presentation: Supercomputing in Solid State Physics 2009
  • Year and Date: 2009-02-17
• [Presentation] Soft Hubbard gaps in disordered itinerant models with sort-range interaction (2009)
  • Author(s): H. Shinaoka
  • Organizer: Supercomputing in Solid State Physics 2009
  • Place of Presentation: 東京大学, 柏
  • Year and Date: 2009-02-16
• [Presentation] レーザー角度分解光電子分光によるBaFe2As2のフェルミ面観測 (2009)
  • Author(s): 下志万貴博,石田行章,石坂香子,片山尚幸,大串研也,木須孝幸,大川万里生,富樫格,X.-Y. Wang, C.-T. Chen,渡部俊太郎,小口多美夫,辛埴
  • Organizer: 日本物理学会第64回年次大会
  • Place of Presentation: 立教大学
• [Presentation] ダイヤモンドにおける高濃度ドープボロンのつくる欠陥:理論 (2009)
  • Author(s): 小口多美夫
  • Organizer: 日本物理学会第64回年次大会シンポジウム
  • Place of Presentation: 立教大学
• [Presentation] キャリアドープされたSiCの超伝導 (2009)
  • Author(s): 菊池善剛,大野正人,村中隆弘,白川直樹,秋光純
  • Organizer: 日本物理学会2009年第64回年次大会
• [Presentation] 銀酸化物クラスレートAg6O8AgX(X=NO3,HF2)のNMR II (2009)
  • Author(s): 成輪啓史,金武史弥,椋田秀和,北岡良雄,川島健司,石井勝,秋光純
  • Organizer: 日本物理学会2009年第64回年次大会
• [Presentation] μSRで見たCa(Fe,Co)AsF及び(Ba, K) Fe2As2における超伝導と磁性 (2009)
  • Author(s): 竹下聡史,平石雅俊,宮崎正範,幸田章宏,門野良典,岡部博孝,秋光純,松石聡,神原陽一,細野秀
  • Organizer: 日本物理学会2009年第64回年次大会
• [Presentation] Soft Hubbaard gaps in disordered itinerant models with short-range interaction (2008)
  • Author(s): 品岡寛
  • Organizer: 特定領域研究成果報告会
  • Place of Presentation: 奈良新公会堂, 奈良
  • Year and Date: 2008-12-20
• [Presentation] スピンをめぐる電子・ヘリウム・冷却原子の問題 (2008)
  • Author(s): 今田正俊,
  • Organizer: 物性科学領域横断研究会
  • Place of Presentation: 東京大学,東京
  • Year and Date: 2008-12-01
• [Presentation] スピンをめぐる電子・ヘリウム・冷却原子の問題 (2008)
  • Author(s): 今田正俊
  • Organizer: 物性科学領域横断研究会
  • Place of Presentation: 東京大学, 東京
  • Year and Date: 2008-12-01
• [Presentation] 乱れたハバード模型におけるソフトハバードギャップ (2008)
  • Author(s): 品岡寛
  • Organizer: 物性科学領域横断研究会
  • Place of Presentation: 東京大学, 東京
  • Year and Date: 2008-11-29
• [Presentation] 乱れたハバード模型におけるソフトハバードギャップ (2008)
  • Author(s): 品岡寛
  • Organizer: 特定領域領域研究「新しい物理を生む新物質若手の会」
  • Place of Presentation: 箱根, 神奈川
  • Year and Date: 2008-11-17
• [Presentation] Electron-Hole Pockets, Fermi Arc, Unusual Metal and Mott Transition (2008)
  • Author(s): M. Imada
  • Organizer: The 2nd International Symposium on Anomalous Quantum Materials and the 7th Asia-Pacific Workshop
  • Place of Presentation: 東京大学,東京
  • Year and Date: 2008-11-10
• [Presentation] Electron-hole pockets, Fermi arc, unusual metal and Mott transition (2008)
  • Author(s): M. Imada
  • Organizer: The 2nd International Symposium on Anomalous Quantum Materials (ISAQM2008) and the 7th Asia-Pacific Workshop
  • Place of Presentation: 東京大学, 東京
  • Year and Date: 2008-11-10
• [Presentation] Doped Mott insulator and zeros of Green function (2008)
  • Author(s): S. Sakai
  • Organizer: The 2nd International Symposium on Anomalous Quantum Materials (ISAQM2008) and the 7th Asia-Pacific Workshop
  • Place of Presentation: 東京大学, 東京
  • Year and Date: 2008-11-08
• [Presentation] Low-Energy Excitations near Quantum Phase Transitions (2008)
  • Author(s): M. Imada
  • Organizer: 10th German-Japanese Symposium
  • Place of Presentation: Ringberg Castle, ドイツ
  • Year and Date: 2008-09-30
• [Presentation] モット絶縁体近傍の非フェルミ液体とグリーン関数の零点 (2008)
  • Author(s): 酒井志朗
  • Organizer: 日本物理学会2008年秋季大会
  • Place of Presentation: 岩手大学上田キャンパス
  • Year and Date: 2008-09-22
• [Presentation] 多変数変分波動関数を用いた三角格子上の拡張ハバード模型の研究 (2008)
  • Author(s): 田原大資
  • Organizer: 日本物理学会2008年秋季大会
  • Place of Presentation: 岩手大学上田キャンパス
  • Year and Date: 2008-09-22
• [Presentation] 第一原理計算に基づく新超伝導体LaFeAs0の低エネルギー有効模型の導出 (2008)
  • Author(s): 中村和磨
  • Organizer: 日本物理学会2008年秋季大会
  • Place of Presentation: 岩手大学上田キャンパス
  • Year and Date: 2008-09-21
• [Presentation] 乱れたハバード模型におけるソフトクーロンギャップと波及効果 (2008)
  • Author(s): 品岡寛
  • Organizer: 日本物理学会2008年秋季大会
  • Place of Presentation: 岩手大学上田キャンパス
  • Year and Date: 2008-09-20
• [Presentation] 乱れたハバード模型におけるソフトクーロンギャップと波及効果 (2008)
  • Author(s): 品岡寛
  • Organizer: 特定領域研究・若手夏の学校
  • Place of Presentation: 熱川, 静岡
  • Year and Date: 2008-08-30
• [Presentation] Non Fermi liquid and zeros of Green function in the 2D Hubbard model (2008)
  • Author(s): S. Sakai
  • Organizer: International Conference on Strongly Correlated Electron Systems
  • Place of Presentation: Atlantico Bazios Resort, Bazios Brazil
  • Year and Date: 2008-08-18
• [Presentation] Quantum Criticality in Helium and Electron Systems (2008)
  • Author(s): M. Imada
  • Organizer: ULT2008,Frontiers of Low Temperature Phys
  • Place of Presentation: Royal Holloway Univ. イギリス
  • Year and Date: 2008-08-16
• [Presentation] Computational Methods in Strongly Correlated Electron Systems-Challenges in Condensed Matter Physics- (2008)
  • Author(s): M. Imada
  • Organizer: 1st International Conference on The Grand Challenge to Next-Generation Integrated Nanoscience
  • Place of Presentation: 東京大学, 東京
  • Year and Date: 2008-06-04
• [Presentation] New superconductors including light elements (2008)
  • Author(s): Jun Akimitsu
  • Organizer: The 6th Asia-Pacific Workshop on Frontiers of Condensed-Matter Science and Symposium on 20-years Anniversary of Discovery of YBCO
  • Place of Presentation: Taipei, Taiwan
  • Year and Date: 2008-04-14
• [Presentation] BドープSiC超伝導の物性 (2008)
  • Author(s): 村中 隆弘
  • Organizer: 日本物理学会 第63回年次大会
  • Place of Presentation: 近畿大学大学本部キャンパス
  • Year and Date: 2008-03-25
• [Presentation] 空間反転対称性の破れた超伝導体La_2C_3及びY_2C_3における多重超伝導ギャップ (2008)
  • Author(s): 黒岩 壮吾
  • Organizer: 日本物理学会 第63回年次大会
  • Place of Presentation: 近畿大学大学本部キャンパス
  • Year and Date: 2008-03-23
• [Presentation] 多変数変分波動関数を用いた二次元ハバード模型の数値的研究 (2008)
  • Author(s): 田原 大資
  • Organizer: 日本物理学会第63回年次大会
  • Place of Presentation: 近畿大学
  • Year and Date: 2008-03-23
• [Presentation] Mott絶縁体近傍の異常金属相とGreen関数のゼロ点 (2008)
  • Author(s): 酒井 志朗
  • Organizer: 日本物理学会第63回年次大会
  • Place of Presentation: 近畿大学
  • Year and Date: 2008-03-23
• [Presentation] ハーフフィリング近傍の拡張ハバード模型における量子臨界現象 (2008)
  • Author(s): 三澤 貴宏
  • Organizer: 日本物理学会第63回年次大会
  • Place of Presentation: 近畿大学
  • Year and Date: 2008-03-23
• [Presentation] 金属絶縁体転移近傍での異方的超伝導の発現 (2008)
  • Author(s): 山地 洋平
  • Organizer: 日本物理学会第63回年次大会
  • Place of Presentation: 近畿大学
  • Year and Date: 2008-03-23
• [Presentation] Non-Ginzburg-Landau Type Universality in Quantum Metamagnetism Induced by Topological Change of Fermi Surface: Applications to a Weak Itinerant-Electron Ferromagnet ZrZn_2 (2008)
  • Author(s): Y.Yamaji
  • Organizer: 2008 APS March Meeting
  • Place of Presentation: New Orleans, Louisiana U.S.A
  • Year and Date: 2008-03-13
• [Presentation] Two-Dimensional Hubbard Model and High-T_c Superconductivity (2008)
  • Author(s): M. Imada
  • Organizer: 2008 APS March Meeting
  • Place of Presentation: New Orleans, Louisiana U.S.A
  • Year and Date: 2008-03-12
• [Presentation] A Phenomenological Theory of Quantum Tricritical Point: Applications to a Heavy-Fermion Compound YbRh_2Si_2 (2008)
  • Author(s): T. Misawa
  • Organizer: 2008 APS March Meeting
  • Place of Presentation: New Orleans, Louisiana U.S.A
  • Year and Date: 2008-03-11
• [Presentation] Ca2-xSrxRuO4のバンド構造とフェルミ面 (2008)
  • Author(s): 小口多美夫
  • Organizer: 日本物理学会63回年次大会,
  • Place of Presentation: 近畿大学
• [Presentation] バンドギャップ半導体の超伝導 (2007)
  • Author(s): 村中 隆弘
  • Organizer: 日本物理学会 第62回年次大会
  • Place of Presentation: 北海道大学
  • Year and Date: 2007-09-24
• [Book] 非金属系新規超伝導体, "エコマテリアルハンドブック" (2007)
  • Author(s): 村中隆弘,秋光純
  • Publisher: 丸善株式会社
• [Book] Superconductivity in magnesium Diboride and its related matrials, Electron Correlation in New Materials and Nanosystems (2007)
  • Author(s): Satoshi Akutagawa, Takahiro Muranaka and Jun Akimitsu,K. Scharnberg and S. Kruchinin
  • Publisher: Springer
• [Book] Superconductivity in MgB2、"Frontiers in Superconducting Materials" (2005)
  • Author(s): T. Muranaka, Y. Zenitani, J. Shimoyama and J. Akimitsu,
  • Publisher: edited by A. Narlikar.