Publications

2012

  • Ryosuke Akashi, Kazuma Nakamura, Ryotaro Arita, Ryotaro and Masatoshi Imada
    "High-temperature superconductivity in layered nitrides β-LixMNCl (M = Ti, Zr, Hf): Insights from density functional theory for superconductors"
    Phys. Rev. B 86 (2012) 054513(1-16). [arXiv:1203.6487v1][PhysRevB.86.054513]
    DOI: 10.1103/PhysRevB.86.054513

  • Yusuke Nomura, Merzuk Kaltak, Kazuma Nakamura, Ciro Taranto, Shiro Sakai, Alessandro Toschi, Ryotaro Arita, Karsten Held, Georg Kresse, and Masatoshi Imada
    "Effective on-site interaction for dynamical mean-field theory"
    Phys. Rev. B 86 (2012) 085117(1-8). [arXiv:1205.2836v1][PhysRevB.86.085117]
    DOI: 10.1103/PhysRevB.86.085117

  • Motoaki Hirayama, Takashi Miyake, and Masatoshi Imada
    "Ab initio Low-Energy Model of Transition-Metal-Oxide Heterostructure LaAlO3/SrTiO3"
    J. Phys. Soc. Jpn.: 81 (2012) 084708(1-9). [arXiv:1205.3600v1][JPSJ.81.084708]
    DOI: 10.1143/JPSJ.81.084708

  • Yuto Ito, Youhei Yamaji, and Masatoshi Imada
    "Impurity Effects on Superconductivity on Surfaces of Topological Insulators"
    J. Phys. Soc. Jpn. 81 (2012) 084707(1-14). [arXiv:1206.2739v1][JPSJ.81.084707]
    DOI: 10.1143/JPSJ.81.084707

  • Takahiro Misawa, Kazuma Nakamura, and Masatoshi Imada
    "Ab Initio Evidence for Strong Correlation Associated with Mott Proximity in Iron-Based Superconductors"
    Phys. Rev. Lett 108, (2012) 177007(1-5). [arXiv:1112.4682v1][PhysRevLett.108.177007]
    DOI:10.1103/PhysRevLett.108.177007

  • Shiro Sakai, Giorgio Sangiovanni, Marcello Civelli, Yukitoshi Motome, Karsten Held, Masatoshi Imada
    "Cluster-size dependence in cellular dynamical mean-field theory"
    Physical Review B 85 (2012) 035102(1-10). [arXiv:1112.3227][PhysRevB.85.035102]
    DOI:10.1103/PhysRevB.85.035102

  • R. Arita, J. Kunes, A.V. Kozhevnikov, A.G. Eguiluz, M. Imada
    "Ab initio Studies on the Interplay between Spin-Orbit Interaction and Coulomb Correlation in Sr2IrO4 and Ba2IrO4"
    Phys. Rev. Lett. 108 (2012) 086403(1-5). [arXiv:1107.0835][PhysRevLett.108.086403]
    DOI:10.1103/PhysRevLett.108.086403

  • Hiroshi Shinaoka, Takahiro Misawa, Kazuma Nakamura, Masatoshi Imada
    "Mott Transition and Phase Diagram of κ-(BEDT-TTF)2Cu(NCS)2Studied by Two-Dimensional Model Derived from Ab initio Method"
    J. Phys. Soc. Jpn. 81 (2012) 034701(1-12). [arXiv:1110.6299][JPSJ/81/034701/]
    DOI: 10.1143/JPSJ.81.034701

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2011

  • Masatoshi　Imada, Youhei Yamaji, Shiro Sakai and Yukitoshi Motome
    "Theory of pseudogap and superconductivity in doped Mott insulators"
    ANNALEN DER PHYSIK 523 (2011)(629-637). [arXiv:1107.0426v1][andp.201100028]
    DOI: 10.1002/andp.201100028

  • Youhei Yamaji and Masatoshi Imada
    "Composite fermion theory for pseudogap phenomena and superconductivity in underdoped cuprate superconductors"
    Phys. Rev. B 83 (2011) 214522(1-25). [PhysRevB.83.214522]
    DOI: 10.1103/PhysRevB.83.214522

  • Yuto Ito, Youhei Yamaji, and Masatoshi Imada
    "Stability of Unconventional Superconductivity on Surfaces of Topological Insulators"
    J. Phys. Soc. Jpn. 80 (2011) 063704(1-4). [arXiv:1104.1232v1][JPSJ/80/063704/]
    DOI: 10.1143/JPSJ.80.063704

  • Youhei Yamaji and Masatoshi Imada
    "Mott physics on helical edges of two-dimensional topological insulators"
    Phys. Rev. B 83 (2011) 205122(1-5). [arXiv:1012.2637v1][PhysRevB.83.205122]
    DOI:10.1103/PhysRevB.83.205122

  • Moyuru Kurita, Youhei Yamaji, and Masatoshi Imada
    "Topological Insulators from Spontaneous Symmetry Breaking Induced by Electron Correlation on Pyrochlore Lattices"
    J. Phys. Soc. Jpn. 80 (2011) 044708(1-7). [arXiv:1012.0655v2][JPSJ/80/044708/]
    DOI: 10.1143/JPSJ.80.044708

  • Takahiro Misawa, Kazuma Nakamura, Masatoshi Imada
    "Magnetic Properties of Ab initio Model for Iron-Based Superconductors LaFeAsO"
    J. Phys. Soc. Jpn. 80 (2011) 023704(1-4). [arXiv:1006.4812v1][JPSJ/80/023704/]
    DOI: 10.1143/JPSJ.80.023704

  • Y. Yamaji and M. Imada
    "Composite-Fermion Theory for Pseudogap, Fermi Arc, Hole Pocket, and Non-Fermi Liquid of Underdoped Cuprate Superconductors"
    Phys. Rev. Lett. 106 (2011) 016404(1-4). [arXiv:1009.1197][PhysRevLett.106.016404]
    DOI:10.1103/PhysRevLett.106.016404

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2010

  • M. Imada, T. Miyake
    "Electronic Structure Calculation by First Principles for Strongly Correlated Electron Systems"
    J. Phys. Soc. Jpn. 79 (2010) 112001(1-42).[arXiv:1009.3851v1][JPSJ/79/112001/]
    DOI: 10.1143/JPSJ.79.112001

  • H. Shinaoka, M. Imada
    "Theory of Electron Transport near Anderson-Mott Transitions"
    J. Phys. Soc. Jpn. 79 (2010) 113703(1-4).[arXiv:1008.3754v2][JPSJ/79/113703/]
    DOI: 10.1143/JPSJ.79.113703

  • K. Nakamura, Y. Yoshimoto, Y. Nohara, M. Imada
    "Ab initio Low-Dimensional Physics Opened Up by Dimensional Downfolding: Application to LaFeAsO"
    J. Phys. Soc. Jpn. 79 (2010) 123708(1-4).[arXiv:1007.4429v1][JPSJ/79/123708/]
    DOI: 10.1143/JPSJ.79.123708

  • S. Sakai, Y. Motome, M. Imada
    "Doped high-Tc cuprate superconductors elucidated in the light of zeros and poles of electronic Green's function"
    Phys. Rev. B 82 (2010) 134505(1-16).[arXiv:1004.2569v2][PhysRevB.82.134505]
    DOI:10.1103/PhysRevB.82.134505

  • M. Aichhorn , S. Biermann, T. Miyake, A. Georges, M. Imada
    "Theoretical evidence for strong correlations and incoherent metallic state in FeSe"
    Phys. Rev. B 82 (2010) 064504(1-5).[arXiv:1003.1286v1][PRB/82/064504/]
    DOI: 10.1103/PhysRevB.82.064504

  • R. Kaneko, T. Misawa, M. Imada
    "Magnetization Step in Spatially Distorted Heisenberg Kagome Antiferromagnets"
    J. Phys. Soc. Jpn. 79 (2010) 073708(1-4). [arXiv:1004.2401v1][JPSJ/79/073708/]
    DOI: 10.1143/JPSJ.79.073708

  • H. Shinaoka and M. Imada
    "Electronic and Magnetic Properties of Metallic Phases under Coexisting Short-Range Interaction and Diagonal Disorder"
    J. Phys. Soc. Jpn. 79 (2010) 094711(1-3). [arXiv:0906.4386][JPSJ/79/094711]
    DOI: 10.1143/JPSJ.79.094711

  • M. Hirayama, and M. Imada
    "Systematic Control of Doped Carrier Density without Disorder at Interface of Oxide Heterostructures"
    J. Phys. Soc. Jpn. 79 (2010) 034704(1-7). [ arXiv:0912.2484v1][JPSJ/79/034704/]
    DOI: 10.1143/JPSJ.79.034704

  • M. Imada , T. Misawa and Y. Yamaji
    "Unconventional Quantum Criticality Emerging as a New Common Language of Transition-Metal Compounds, Heavy-Fermion Systems, and Organic Conductors"
    J. Phys.: Condens. Matter 22 (2010) 164206(1-9). [ arXiv:0909.0562][JPhys/22/16/164206]
    DOI: 10.1088/0953-8984/22/16/164206

  • T. Miyake, K. Nakamura, R. Arita, and M. Imada
    "Comparison of Ab initio Low-Energy Models for LaFePO, LaFeAsO, BaFe2As2, LiFeAs, FeSe and FeTe: Electron Correlation and Covalency"
    J. Phys. Soc. Jpn., 79 (2010) 044705(1-20). [ arXiv:0911.3705 ][JPSJ/79/044705]
    DOI: 10.1143/JPSJ.79.044705

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2009

  • T. Miyake, F. Aryasetiawan, and M. Imada
    "Ab initio Procedure for Constructing Effective Models of Correlated Materials with Entangled Band Structure"
    Phys. Rev. B 80 (2009) 155134(1-6). [ arXiv:0906.1344 ][PRB/80/155134]
    DOI:10.1103/PhysRevB.80.155134

  • R. Watanabe, and M. Imada
    "Transition from Band Insulator to Bose-Einstein-Condensate Superfluid and Mott State of Cold Fermi Gases with Multiband Effects in Optical Lattices"
    Phys. Rev. A 80 (2009) 043624(1-11) . [ arXiv:0909.1871][PRA/80/043624]
    DOI:10.1103/PhysRevA.80.043624

  • S. Sakai, Y. Motome, and M. Imada
    "Roles of Zeros of the Green Function in Fermi Arc and Non-Fermi Liquid in the Two-Dimensional Hubbard Model"
    Physica B Condensed Matter 404 (2009) 3183-3186 . [PhysicaB/404/3183]
    DOI:10.1016/j.physb.2009.07.050

  • H. Shinaoka and M. Imada
    "Single-Particle Excitations under Coexisting Electron Correlation and Disorder: A Numerical Study of the Anderson-Hubbard Model"
    J. Phys. Soc. Jpn. 78 (2009) 094708 (1-20). [ arXiv:0905.3248][JPSJ/78/094708]
    DOI:10.1143/JPSJ.78.094708

  • T. Misawa, Y. Yamaji and M. Imada
    "Spin Fluctuation Theory for Quantum Tricritical Point Arising in Proximity to First-Order Phase Transitions:
    Applications to Heavy-Fermion Systems, YbRh2Si2, CeRu2Si2, and β-YbAlB4"
    J. Phys. Soc. Jpn. 78 (2009) 084707 (1-15). [ arXiv:0905.2046][JPSJ/78/084707]

  • K. Nakamura, Y. Yoshimoto, T. Kosugi, R. Arita, and M. Imada
    "Ab initio Derivation of Low-Energy Model for κ-ET Type Organic Conductors"
    J. Phys. Soc. Jpn. 78 (2009) 083710 (1-4). [ arXiv:0903.5409][JPSJ/78/083710]
    DOI: 10.1143/JPSJ.78.083710

  • S. Sakai, Y. Motome and M. Imada
    "Evolution of Electronic Structure of Doped Mott Insulators: Reconstruction of Poles and Zeros of Green's Function"
    Phys. Rev. Lett. 102 (2009) 056404 (1-4). [ arXiv:0809.0950][PRL/102/056404]
    DOI:10.1103/PhysRevLett.102.056404

  • H. Shinaoka and M. Imada
    "Soft Hubbard Gaps in Disordered Itinerant Models with Short-Range Interaction"
    Phys. Rev. Lett. 102 (2009) 016404(1-4). [ arXiv:0811.2492][PRL/102/016404]
    DOI:10.1103/PhysRevLett.102.016404

  • S. Watanabe and M. Imada
    "On Proximity of 4/7 Solid Phase of 3He Adsorbed on Graphite -Origin of Specific Heat Anomalies in Hole-Doped Density Ordered Solid- "
    J. Phys. Soc. Jpn. 78 (2009) 033603 (1-4). [ arXiv:0811.1628][JPSJ/78/033603]
    DOI: 10.1143/JPSJ.78.033603

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2008

  • D. Tahara and M. Imada
    "Variational Monte Carlo Method Combined with Quantum-Number Projection and Multi-Variable Optimization"
    J. Phys. Soc. Jpn. 77 (2008) 114701 (1-15). [ arXiv:0805.4457][JPSJ/77/114701]
    DOI: 10.1143/JPSJ.77.114701

  • T. Misawa, Y. Yamaji, and M. Imada
    "YbRh2Si2: Quantum Tricritical Behavior in Itinerant Electron Systems"
    J. Phys. Soc. Jpn. 77 (2008) 093712 (1-4). [ arXiv:0710.3260][JPSJ/77/093712]
    DOI:10.1143/JPSJ.77.093712

  • K. Nakamura, R. Arita, and M. Imada
    "Ab initio Derivation of Low-Energy Model for Iron-Based Superconductors LaFeAsO and LaFePO"
    J. Phys. Soc. Jpn. 77 (2008) 093711 (1-4). [ arXiv:0806.4750][JPSJ/77/093711]
    DOI:10.1143/JPSJ.77.093711

  • D. Tahara and M. Imada
    " Variational Monte Carlo Study of Electron Differentiation around Mott Transition"
    J. Phys. Soc. Jpn. 77 (2008) 093703 (1-4). [ arXiv:0807.1303][JPSJ/77/093703]
    DOI:10.1143/JPSJ.77.093703

  • K. Nakamura, Y. Yoshimoto, R. Arita, S. Tsuneyuki, and M. Imada
    "Optical Absorption Study by ab initio Downfolding Approach: Application to GaAs"
    Phys. Rev. B77, (2008) 195126 (1-13).[ arXiv:0710.4371] [PRB/77/195126]
    DOI:10.1103/PhysRevB.77.195126

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2007

  • T. Aimi and M. Imada
    "Does Simple Two-Dimensional Hubbard Model Account for High-Tc Superconductivity in Copper Oxides?"
    J. Phys. Soc. Jpn. 76 (2007) 113708 (1-4).[ arXiv:0708.3416] [JPSJ/76/113708]
    DOI:10.1143/JPSJ.76.113708

  • S. Watanabe and M. Imada
    "What is Minimal Model of 3He Adsorved on Graphite? ---Importance of Densit Fluctuations in 4/7 Regustered Solid ---"
    J. Phys. Soc. Jpn. 76 (2007) 113603 (1-4). [ arXiv:0709.1040][JPSJ/76/113603]
    DOI: 10.1143/JPSJ.76.113603

  • Y. Imai, Y. Otsuka and M. Imada
    "Applications of path-integral renormalization group method combined with density functional theory"
    J. Phys. : Condens. Matter 19 (2007) 365230 (1-8). [J.Phys./19/365230]
    DOI: 10.1088/0953-8984/19/36/365230

  • T. Aimi and M. Imada
    "Gaussian-Basis Monte Carlo Method for Numerical Study on Ground States of Itinerant and Strongly Correlated Electron Systems"
    J. Phys. Soc. Jpn. 76 (2007) 084709 (1-22). [ arXiv:0704.3792][JPSJ/76/084709]
    DOI: 10.1143/JPSJ.76.084709

  • Y. Z. Zhang and M. Imada
    "Pseudogap and Mott Transition Studied by Cellular Dynamical Mean Field Theory"
    Phys. Rev. B 76 (2007) 045108 (1-5). [ arXiv:0706.0444][ PRB/76/045108]
    DOI:10.1103/PhysRevB.76.045108

  • T. Misawa, Y.Yamaji and M. Imada
    "Marginal quantum criticality of metal-insulator transitions"
    J. Magn. Magn. Mater. 310 (2007) 925-927.

  • S. Watanabe, M. Imada and K. Miyake
    "Quantum valence criticality and superconductivity"
    J. Magn. Magn. Mater. 310 (2007) 841-843.

  • Y.Yamaji, T. Misawa and M. Imada
    "Quantum criticalities induced by Lifshitz transitions"
    J. Magn. Magn. Mater. 310 (2007) 838-840.

  • Y.Yamaji, T. Misawa and M. Imada
    "Quantum Metamagnetic Transitions Induced by Changes in Fermi-Surface Topology: Applications to a Weak Itinerant-Electron Ferromagnet ZrZn2"
    J. Phys. Soc. Jpn. 76 (2007)063702(1-4).[ cond-mat/0703441][JPSJ/76/063702]
    DOI: 10.1143/JPSJ.76.063702

  • Hiroki Nakano, Yoshinori Takahashi, and Masatoshi Imada
    "Drude Weight of the Two-Dimensional Hubbard Model ―Reexamination of Finite-Size Effect in Exact Diagonalization Study―"
    J. Phys. Soc. Jpn. 76 (2007)034705(1-9).[ cond-mat/0701735][JPSJ/76/034705]
    DOI: 10.1143/JPSJ.76.034705

  • T. Misawa and M. Imada
    "Quantum criticality around metal-insulator transitions of strongly correlated electrons"
    Phys. Rev. B 75 (2007) 115121(1-23).[ cond-mat/0612632][ PRB/75/115121]

  • D. Tahara, Y. Motome and M. Imada
    "Antiferromagnetic Ising Model on Inverse Perovskite Lattice"
    J. Phys. Soc. Jpn. 76 (2007) 013708(1-4).[ cond-mat/0612016][ JPSJ/76/013708]
    DOI: 10.1143/JPSJ.76.013708

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2006

  • Y. Otsuka and M. Imada
    "First-Principles Computation of YVO3; Combining Path-Integral Renormalization Group with Density-Functional Approach"
    J. Phys. Soc. Jpn. 75 (2006) 124707(1-8).[ cond-mat/0610012][ JPSJ/75/124707]

  • Y. Yamaji, T. Misawa and M. Imada
    "Quantum and Topological Criticalities of Lifshitz Transition in Two-Dimensional Correlated Electron Systems"
    J. Phys. Soc. Jpn. 75 (2006) 094719(1-16).[ cond-mat/0608436][ JPSJ/75/094719]

  • Y. Imai and M. Imada
    "Ground State Properties and Optical Conductivity of the Transition Metal Oxide Sr2VO4"
    J. Phys. Soc. Jpn. 75 (2006) 094713(1-17).[ cond-mat/0605027][ JPSJ/75/094713]

  • K. Hanasaki and M. Imada
    "Fate of Quasiparticle at Mott Transition and Interplay with Lifshitz Transition Studied by Correlator Projection Method"
    J. Phys. Soc. Jpn. 75 (2006) 084702(1-11).[ cond-mat/0604395][ JPSJ/75/084702]

  • T. Misawa, Y. Yamaji and M. Imada
    "Quantum Critical Opalescence around Metal-Insulator Transitions"
    J. Phys. Soc. Jpn. 75 (2006) 083705 (1-4).[ cond-mat/0604387][ JPSJ/75/083705]

  • T. Misawa, Y. Yamaji and M. Imada
    "Tricritical Behavior in Charge-Order System"
    J. Phys. Soc. Jpn. 75 (2006) 064705(1-20).[ cond-mat/0602291][ JPSJ/75/064705]

  • S. Watanabe, M. Imada and K. Miyake
    "Superconductivity Emerging near Quantum Critical Point of Valence Transition"
    J. Phys. Soc. Jpn. 75 (2006) 043710(1-4).[ cond-mat/0602291][ JPSJ/75/043710]

  • T. Mizusaki and M. Imada
    "Gapless quantum spin liquid, stripe, and antiferromagnetic phases in frustrated Hubbard models in two dimensions"
    Phys. Rev. B 74 (2006) 014421(1-10).[ cond-mat/0604389][ PRB/74/014421]

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2005

  • K. Hanasaki and M. Imada
    "Charge Ordered Insulator without Magnetic Order Studied by Correlator Projection Method"
    J. Phys. Soc. Jpn. 74 (2005) 2769-2782. [ cond-mat/0506240][ JPSJ/74/2769]

  • Y. Imai, I. Solovyev, and M. Imada
    "Electronic structure of strongly correlated systems emerging from combining path-integral renormalization group with the density-functional approach"
    Phys. Rev. Lett. 95 (2005) 176405(1-4). [ cond-mat/0503270]

  • T. Mizusaki and M. Imada
    "Path-integral renormalization group method with quantum-number projection "
    Comp. Phys. Commun. 169(1-3) (2005) 408-411.

  • H. Nakano, Y. Takahashi, and M. Imada
    "Charge susceptibility of the Hubbard chain with next-nearest-neighbor hopping "
    Physica B-Condensed Matter 359 (2005) 657-659.

  • M. Imada
    "Universality classes of metal-insulator transitions in strongly correlated electron systems and mechanism of high-temperature superconductivity"
    Phys. Rev. B 72 (2005) 075113. [ cond-mat/0506468]

  • I.V. Solovyev, and M. Imada,
    "Screening of Coulomb interactions in t ransition metals"
    Phys. Rev. B 71 (2005) 045103. [ cond-mat/0407786]

  • M. Imada
    "Quntum Mott Transition and Superconductivity"
    J. Phys. Soc. Jpn. 74 (2005) 859-862. [ cond-mat/0411217]

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2004

  • Aryasetiawan, F., Imada, M., Georges, A., Kotliar, G., Biermann, S., and Lichtenstein, A.I.,
    "Frequency-Dependent Local Interactions and Low-Energy Effective Models from Electronic Structure Calculations"
    Phys. Rev. B 70 (2004) 195104. [ cond-mat/0401620]

  • Mochizuki, M. and Imada, M.
    "Orbital Physics in the Perovskite Ti Oxides"
    New J. Phys. 6 (2004) 154.[ cond-mat/0410650]

  • Mizusaki, T. and Imada, M.
    "Quantum-Number Projection in the Path-Integral Renormalization Group Method"
    Phys. Rev. B 69 (2004) 125110. [ cond-mat/0311005]

  • Watanabe, S. and Imada, M.
    "Thermodynamic Relation s in Correlated Systems"
    J. Phys. Soc. Jpn. 73 (2004) 3341-3350. [ cond-mat/0412602]

  • Imada, M.
    "Quantum Mott Transition and Multi-Furcating Criticality"
    J. Phys. Soc. Jpn. 73 (2004) 1851-1863. [ cond-mat/0410753]

  • Mochizuki, M. and Imada, M.
    "G-type Antiferromagnetism and Orbital Ordering due to the Crystal Field from the Rare-earth Ions Induced by the GdFeO3-type Distortion in RTiO3 with R=La,Pr,Nd and Sm"
    J. Phys. Soc. Jpn. 73 (2004) 1833-1850. [ cond-mat/0312244]

  • Watanabe, S. and Imada, M.
    "Precise Determination of Phase Diagram for Two-Dimensional Hubbard Model with Filling- and Bandwidth-Control Mott Transitions: Grand-Canonical Path-Integral Renormalization Group Approach"
    J. Phys. Soc. Jpn. 73 (2004) 1251-1266. [ cond-mat/0312671]

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2003

  • Onoda, S. and Imada, M.
    "Mott Transitions in the Two-Dimensional Half-Filled Hubbard Model: Correlator Projection Method with Projective Dynamical Mean-Field Approximation"
    Phys. Rev. B 67 (2003) 161102(1-4). [ cond-mat/0206531]

  • Mochizuki, M. and Imada, M.
    "Orbital-Spin Structure and Lattice Coupling in RTiO3 where R=La, Pr, Nd, and Sm"
    Phys. Rev. Lett. 91 (2003) 167203. [ cond-mat/0301049]

  • Mizusaki, T. and Imada, M.
    "Precise Estimation of Shell Model Energy by Second-Order Extrapolation Method"
    Phys. Rev. C 67 (2003) 041301.[ nucl-th/0302059]

  • Imada, M., Onoda, S., Mizusaki, T., and Watanabe, S.
    "Tools for Studying Quantum Emergence near Phase Transitions"
    the International Conference in Highlights in Condensed Matter Physics in Salerno, Italy 9-11, May 2003, eds. A. Avella, R. Citro, C. Noce, and M. Salerno, AIP Conference Prodeedings Volume 695 (Melville, New York, 2003), pp75-91.

  • Imada, M., Mizusaki, T. and Watanabe, S.
    "Path-Integral Renormalization Group Method"
    The Monte Carlo Method in the Physical Sciences Celebrating the 50th Anniversary of the Metropolis Algorithm, Los Alamos, New Mexico 9-11 June 2003, eds. J.E. Gubernatis, AIP Conference Proceedings Volume 690 (Melville, New York, 2003), pp.207-217.

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2002

  • Mizusaki, T. and Imada, M.
    "Extrapolation Method for Shell Model Calculations"
    Phys. Rev. C 65 (2002) 064319(1-4). [ nucl-th/0203012]

  • Mochizuki, M.
    "Spin and Orbital States and Their Phase Transitions of the Perovskite-Type Ti Oxides: Weak Coupling Approach"
    J. Phys. Soc. Jpn. 71(2002) 2039-2047.[ cond-mat/0202242]

  • Saiga, Y. and Imada, M.
    "Competition between Spin Exchange and Correlated Hopping"
    J. Phys. Chem. Solids 63 (2002) 1531-1535[ cond-mat/0110458].

  • Kohno, M and Imada, M.
    "Systematic Improvement of Wavefunctions in the Variational Monte Carlo Method for the t-J Model"
    J. Phys. Chem. Solids 63 (2002) 1563-1566.

  • Onoda, S. and Imada, M.
    "Operator Projection Theory for Electron Differentiation in Underdoped Cuprate Superconductors"
    J. Phys. Chem. Solids 63 (2002) 2225-2231[ cond-mat/0108416].

  • Morita, H., Watanabe, S. and Imada, M.
    Nonmagnetic Insulating States near the Mott Transitions on Lattices with Geometrical Frustration and Implications for κ-(ET)2Cu2(CN)3"
    J. Phys. Soc. Jpn. 71(2002) 2109-2112.[ cond-mat/0203020]

  • Noda, Y. and Imada, M.
    "Quantum Phase Transitions to Charge Order and Wigner Crystal Under Interplay of Lattice Commensurability and Long-Range Coulomb Interaction"
    Phys. Rev. Lett. 89 (2002) 176803(1-4 ).[ cond-mat/0203024]

  • 今田正俊
    物質科学シミュレーションの最前線"
    学術月報 55 No.2, pp.38-41.

  • 今田正俊
    "計算科学アルゴリズム　－量子系計算の経路積分繰り込み群による新しい展開－"
    Computer Today, 111 (2002) ９月号 pp.28-34

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2001

  • Imada, M. and Onoda, S.
    "Theory of Electron Differentiation, Flat Dispersion and Pseudogap Phenomena"
    J. Phys. Chem. Solids 62 (2001) 47-51. [ cond-mat/0005369]

  • Kato, T. and Imada, M.
    "Dissipative Quantum Effects in Small Josephson Junctions"
    Physica C 352 (2001) 149-152.

  • Kohno, T. and Imada, M.
    "Influence of a Flat Dispersion on the Superconducting Instability in Doped Mott Insulators"
    J. Phys. Chem. Solids 62 (2001) 225-229.

  • Ammon, B. and Imada, M.
    "Doped Two Orbital Chains with Strong Hund's Rule Couplings - Ferromagnetism, Spin Gap, Singlet and Triplet Pairings"
    J. Phys. Soc. Jpn. 70 (2001) 547-557. [ cond-mat/0006439]

  • Imada, M. and Onoda, S.
    "Pseudogap and Kinetic Pairing Under Critical Differentiation of Electrons in Cuprate Superconductors"
    Proceedings of Advanced Research Workshop on Open Problems in Strongly Correlated Electron Systems in Bled 2000, eds. J. Bonca et al. (Kluwer, Dordrecht), (2001) p.69-76.  [ cond-mat/0008050]

  • Onoda, S. and Imada, M.
    "Theoretical Interpretation of the Variety of Spin Gap in High-Tc Cuprates"
    J. Phys. Chem. Solids 62 (2001) 221-224.

  • Onoda, S. and Imada, M.
    "Operator Projection Method Applied to the Single-Particle Green 's Function in the Hubbard Model"
    J. Phys. Soc. Jpn. 70 (2001) 632-635. [ cond-mat/0012376]

  • Mochizuki, M. and Imada, M.
    "Magnetic and Orbital States and Their Phase Transition of the Perovskite-Type Ti Oxides: Strong Coupling Approach"
    J. Phys. Soc. Jpn. 70 (2001) 1777-1789. [ cond-mat/0102223]

  • Imada, M.
    "Superconductivity Driven by the Interband Coulomb Interaction and Implications for the Superconducting Mechanism of MgB2"
    J. Phys. Soc. Jpn. 70 (2001) 1218-1221. [ cond-mat/0103006]

  • Kashima, T. and Imada, M.
    "Path-Integral Renormalization Group Method for Numerical Study on Ground States of Strongly Correlated Electronic Systems"
    J. Phys. Soc. Jpn. 70 (2001)2287-2299. [ cond-mat/0104140]

  • Kashima, T. and Imada, M.
    "Magnetic and Metal-Insulator Transitions through Bandwidth Control in Two-Dimensional Hubbard Models with Nearest and Next-Nearest Neighbor Transfers"
    J. Phys. Soc. Jpn. 70 (2001) 3052-3067.[ cond-mat/0104348]

  • Mochizuki, M. and Imada, M.
    "Origin of G-type Antiferomagnetism and Orbital-Spin Structures in LaTiO3"
    J. Phys. Soc. Jpn. 70 (2001) 2872-2875.[ cond-mat/0105135]

  • Onoda, S. and Imada, M.
    "Filling-Control Metal-Insulator Transition in the Hubbard Model Studied by the Operator Projection Method"
    J. Phys. Soc. Jpn. 70 (2001) 3398-3418.[ cond-mat/0107291]

  • 今田正俊
    "強相関系の金属-絶縁体転移の理論"
    固体物理36 (2001) 713-722.

  • 望月維人、今田正俊
    "ぺロフスカイト型チタン酸化物における磁気-軌道状態と相転移"
    固体物理36 (2001) 793-802.

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2000

  • Ammon, B. and Imada, M.
    "Spin-1 chain doped with mobile S=1/2 fermions"
    Phys. Rev. Lett. 85 (2000) 1056-1059. [ cond-mat/9912273]

  • Kohno, M. and Imada, M.
    "Enhancement of Pairing Correlation and Spin Gap through suppression of Single-Particle Dispersion in One-Dimensional Models"
    J. Phys. Soc. Jpn. 69 (2000) 25-28. [ cond-mat/9911484]

  • Onoda, S. and Imada, M.
    "Single-Particle Pseudogap in Two-Dimensional Electron Systems"
    J. Phys. Soc. Jpn. 69 (2000) 312-315. [ cond-mat/9908195]

  • Kato, T. and Imada, M.
    "Quantum Effects in Resistance-Shunted Josephson Junctions"
    J. Phys. Soc. Jpn. 69 (2000) 203-212. [ cond-mat/9908192]

  • Imada, M., Kohno, M. and Tsunetsugu, H.
    "How are spin gap and carrier doping effects controlled by geometry of lattice structure?"
    Physica B 280 (2000) 303-307.

  • Onoda,S. and Imada, M.
    "How Do We Understand the Single-Particle Pseudogap in High-Tc Cuprates?"
    Physica B 281 & 282 (2000) 792-793.

  • Tsunetsugu, H. and Imada, M.
    "Electron Coherence and Pairing Correlations in the 2D Correlated Electron System"
    Physica B 281 (2000) 790-791.

  • Onoda, S. and Imada, M.
    "dx2-y2 -Wave Pairing Fluctuations and Spin Pseudogap in High-Tc Cuprates"
    Physica B 284-288 (2000) 671-672.

  • Nakano, H., Motome, Y. and Imada, M.
    "Charge dynamics of Perovskite Manganese Oxides -- Effects of Orbital Degeneracy, Electron Correlation and Jahn-Teller distortion --"
    Physica B 284-288 (2000) 1406-1407.

  • Kato, T. and Imada, M.
    "Thermodynamics and I-V Characteristics of Resistance-Shunted Josephsonjunctions"
    Physica B 284-288 (2000) 1820-1821.

  • Nakano, H., Motome, Y. and Imada, M.
    "Incoherent Charge Dynamics in Perovskite Manganese Oxides"
    J. Phys. Soc. Jpn. 69 (2000) 1282-1285.[ cond-mat/0004232]

  • Imada, M. and Kohno, M.
    "Superconductivity from Flat Dispersion Designed in Doped Mott Insulators"
    Phys. Rev. Lett. 84 (2000) 143-146. [ cond-mat/9911185]

  • Ammon, B and Imada, M.
    "Effect of the Orbital Level Difference in Doped Spin-1 Chains"
    J. Phys. Soc. Jpn. 69 (2000) 1946-1949. [ cond-mat/0002193]

  • Mochizuki, M. and Imada, M.
    "Magnetic Phase Transition of the Perovskite-type Ti Oxides"
    J. Phys. Soc. Jpn. 69 (2000) 1982-1985.  [ cond-mat/0004389]

  • Onoda, S. and Imada, M.
    "Pseudogap and Superconducting Flluctuations in High-Tc Cuprates"
    J. Phys. Soc. Jpn. 69 (2000) Suppl.B 32-38.  [ cond-mat/0005371]

  • Imada, M. and Kashima, T.
    "Path-Integral Renormalization Group Method for Numerical Study of Strongly Correlated Electron Systems"
    J. Phys. Soc. Jpn. 69 (2000) 2723-2726. [ cond-mat/0007304]

  • Imada, M. and Onoda, S.
    "Pseudogap and Kinetic Pairing Under Critical Differentiation of Electrons in Cuprate Superconductors"
    Proceedings of Advanced Research Workshop on Open Problems in Strongly Correlated Electron Systems in Bled 2000, eds. J. Bonca et al. (Kluwer, Dordrecht), (2001) p.69-76.  [ cond-mat/0008050]

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1999

  • Motome, Y. and Imada, M.
    "Effects of Electron Correlation, Orbital Degeneracy and Jahn-Teller Coupling in Perovskite Manganites"
    J. Phys. Soc. Jpn. 68 (1999) 16-19. [ cond-mat/9808124]

  • Imada,M., Assaad, F.F., Tsunetsugu, H. and Motome, Y.
    "Metal-Insulator and Superconductor-Insulator Transitions in Correlated Electron Systems"
    Physics and Chemistry of Transition Metal Oxides, ed. by H. Fukuyama and N. Nagaosa
    (Springer Verlag, Berlin, 1999) pp.120-135. [ cond-mat/9808044]

  • 今田正俊
    "強相関系の金属絶縁体転移 - 序-"
    日本物理学会誌、54 (1999) 79-83.

  • 今田正俊
    "強相関系の金属絶縁体転移の理論"
    日本物理学会誌、54 (1999) 115-122.

  • Motome, Y., Nakano, H. and Imada, M.
    "Metal-Insulator Transition in Mn Perovskite Compounds"
    Materials Science and Engineering B 63 (1999) 58-64. [ cond-mat/9811221]

  • Nakano, H. and Imada, M.
    "Optical Conductivity of the Two-Dimensional Hubbard Model"
    J. Phys. Soc. Jpn. 68 (1999)1458-1459. [ cond-mat/9902235]

  • Assaad, F.F. and Imada, M.
    "Unusually Flat Dispersion Relation in the Two-Dimensional Hubbard Model and Restoration of Coherence by Addition of Pair-Hopping Processes"
    Eur. Phys. J. B. 10 (1999) 595. [ cond-mat/9811384]

  • Onoda, S. and Imada, M.
    "dx2-y2 Wave Pairing Fluctuations and Pseudo Spin Gap in Two-Dimensional Electron Systems"
    J. Phys. Soc. Jpn. 68 (1999) 2762-2772. [ cond-mat/9903030]

  • Nakano,H., Motome, Y. and Imada, M.
    "Effects of Orbital Degeneracy and Electron Correlation on Charge Dynamics in Perovskite Manganese Oxides"
    J. Phys. Soc. Jpn. 68 (1999) 2178-2181. [ cond-mat/9905271]

  • Motome, Y. and Imada, M.
    "Ordering and Fluctuation of Orbital and Lattice Distortion in Perovskite Manganese Oxides"
    Phys. Rev. B 60 (1999) 7921-7938. [ cond-mat/9903183]

  • Tsunetsugu, H. and Imada, M.
    "Control of Superconducting Correlations in High-Tc Cuprates"
    J. Phys. Soc. Jpn. 68 (1999) 3162-3165. [ cond-mat/9908058]

  • Kato, T. and Imada, M.
    "Thermodynamics and Transport Properties of a Dissipative Particle in a Tight-Binding Model"
    Quantum Coherence and Decoherence-ISQM-Tokyo '98 eds. Y.A. Ono and K. Fujikawa (Elsevier Science, 1999) pp.269-272.

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1998

  • M. Imada
    "Suppressed Coherence due to Orbital Correlations in the Ferromagnetically Ordered Metallic Phase of Mn Compounds"
    J. Phys. Soc. Jpn. 67 (1998) 45-48.

  • N. Katoh and M. Imada
    Orbital Order Effect of Two-Dimensional Spin Gap System for CaV4O9
    J. Phys. Soc. Jpn. 67 (1998) 564-575.

  • F.F. Assaad and M. Imada
    "Doping Induced Metal-Insulator Transition in Two-Dimensional Hubbard, t-U, and Extended Hubbard, t-U-W, Models"
    Phys. Rev. B. 58 (1998) 1845-1852.

  • H. Tsunetsugu and M. Imada
    "Dynamic Exponent of t-J and t-J-W Models"
    J. Phys. Soc. Jpn. 67 (1998) 1864-1867.

  • T. Kato and M. Imada
    "Thermodynamics and Optical Conductivity of a Dissipative Carrier in a Tight Binding
    Model" J. Phys. Soc. Jpn. 67 (1998) 2828-2846.

  • Y. Motome and M. Imada
    "Numerical Study for the Ground State of Multi-Orbital Hubbard Models"
    J. Phys. Soc. Jpn. 67 (1998) 3199-3215.

  • M. Imada, A. Fujimori and Y.Tokura
    "Metal-Insulator Transitions"
    Rev. Mod. Phys. 70 (1998) 1039-1263.

  • Y. Motome and M. Imada
    "Effects of Electron Correlation, Orbital Degeneracy and Jahn-Teller Coupling in Perovskite Manganites"
    J. Phys. Soc. Jpn. 68 (1998) 16-19.

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1997

  • M. Imada and Y. Iino
    "Scaling Properties of Antiferromagnetic Transition in Coupled Spin Ladder Systems Doped with Nonmagnetic Impurities"
    J. Phys. Soc. Jpn. 66 (1997) 568-571.

  • T. Kato and M. Imada
    "Vortices and Quantum Tunneling in Current-Biased 0-π-0 Josephson Junctions of d-Wave Superconductors"
    J. Phys. Soc. Jpn. 66 (1997) 1445-1449.

  • Y. Motome and M. Imada
    "A Quantum Monte Carlo Method and Its Applications to Multi-Orbital Hubbard Models"
    J. Phys. Soc. Jpn. 66 (1997) 1872-1875.

  • H. Tsunetsugu and M. Imada
    "Transport Properties of Doped t-J Ladders"
    J. Phys. Soc. Jpn. 66 (1997) 1876-1879.

  • M. Troyer, M. Imada, and K. Ueda
    "Critical Exponents of the Quantum Phase Transition in a Planar Antiferromagnet"
    J. Phys. Soc. Jpn. 66 (1997) 2957-2960.

  • F.F. Assaad, M. Imada and D.J. Scalapino
    "Charge and Spin Structures of a dx2-y2 Superconductor in the Proximity of an Antiferromagnetic Mott Insulator"
    Phys. Rev. B 57 (1997) 15001-15014.

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1996

  • M. Imada
    "Fermi Liquid Phenomenology Combined with Scaling Theory of the Metal-Insulator Transition"
    Physica C 263 (1996) 49-53.

  • F.F. Assaad and M. Imada
    "High-Frequency Hall Coefficient for the Two-Dimensional Hubbard Model"
    Physica C 263 (1996) 78-81.

  • K. Yonemitsu and M. Imada
    "Electron-Phonon Interaction and Spin Gap in Nealy-Half-Filled Correlated Electron Systems"
    Physica C 263 (1996) 82-85.

  • Y. Iino and M. Imada
    "Spin Correlations in 1D Hubbard Model at Low Temperatures and Small Dopings"
    Physica C 263 (1996) 111-113.

  • N. Katoh and M. Imada
    "Spin Gap in Generalized Spin Models with Dimerization and the Model for CaV4O9"
    Physica C 263 (1996) 114-117.

  • F.F. Assaad and M.Imada
    "Stable Quantum Monte Carlo Algorithm for T=0 Calculation of Imaginary Time Green Functions"
    J. Phys. Soc. Jpn. 65 (1996) 189-194.

  • K. Yonemitsu and M. Imada
    "Spin Gap in One-Dimensional Electron-Phonon Systems"
    Mol. Cryst. Liq. Cryst. 285 (1996) 223-228.

  • F.F. Assaad and M. Imada
    "Insulator-Metal Transition in the One- and Two-Dimensional Hubbard Models"
    Phys. Rev. Lett. 76 (1996) 3176-3179.

  • K. Yonemitsu and M. Imada
    "Spin-Gap Phase in Nearly Half-Filled One-Dimensional Conductors Coupled with Phonons"
    Phys. Rev. B 54 (1996) 2410-2420.

  • Y. Motome, N. Katoh, N. Furukawa and M. Imada
    "Impurity Effect on Spin Ladder System"
    J. Phys. Soc. Jpn. 65 (1996) 1949-1952.

  • Y. Motome and M. Imada
    "Superfluid-Insulator Transition of Interacting Multi-Component Bosons --- Gutzwiller Variational and Quantum Monte Carlo Study--- "
    J. Phys. Soc. Jpn. 65 (1996) 2135-2145.

  • N. Furukawa, F.F. Assaad and M. Imada
    "Critical Exponents of the Metal-Insulator Transition in the Two-Dimensional Hubbard Model"
    J. Phys. Soc. Jpn. 65 (1996) 2339-2340.

  • T. Kato and M. Imada
    "Macroscopic Quantum Tunneling of a Fluxon in a Long Josephson Junction"
    J. Phys. Soc. Jpn. 65 (1996) 2963-2975.

  • F.F. Assaad, M. Imada and D.J. Scalapino
    "Quantum Transition between an Antiferromagnetic Mott Insulator and dx2-y2 Superconductor in Two Dimensions"
    Phys. Rev. Lett. 77 (1996) 4592-4595.

  • Y. Iino and M. Imada
    "Effects of Nonmagnetic Impurity Doping on Spin Ladder System"
    J. Phys. Soc. Jpn. 65 (1996) 3728-3731.

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1995

  • F.F. Assaad and M. Imada
    "The Hall Coefficient for the Hubbard Model"
    Phys. Rev. Lett. 74 (1995) 3868-3871.

  • M. Imada
    "Critical Properties of Metal-Insulator Transition in Low Dimensions"
    J. Low Temp. Phys. 99 (1995) 437-442.

  • N. Katoh and M. Imada
    "Spin Gaps in S=1/2$ Anisotropic-Two-Dimensional Heisenberg Model with Dimerized Antiferromagnetic Exchange ---Relation to Ladder Model and Haldane Gap System--- "
    J. Phys. Soc. Jpn. 64 (1995) 1437-1438.

  • M. Imada
    "Metal-Insulator Transition of Correlated Systems and Origin of Unusual Metal"
    J. Phys. Soc. Jpn. 64 (1995) 2954-2971.

  • N. Katoh and M. Imada
    "Spin Gap in Two-Dimensional Heisenberg Model for CaV4O9"
    J. Phys. Soc. Jpn. 64 (1995) 4105-4108.

  • Y. Iino and M. Imada
    "Crossover of Spin Correlations in One-Dimensional Hubbard Model Studied by Quantum Monte Carlo Method"
    J. Phys. Soc. Jpn. 64 (1995) 4392-4401.

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1994

  • M. Imada
    "Theory of Antiferromagnetic Correlations in High-Tc Cuprates"
    J. Phys. Soc. Jpn. 63 (1994) 851-854.

  • M. Mori, H. Fukuyama and M. Imada
    "Towards the Mott Transition in One Dimension"
    J. Phys. Soc. Jpn. 63 (1994) 1639-1642.

  • M.Imada
    "Mott Transition and Transition to Incompressible State --- Variety and Universality"
    J. Phys. Soc. Jpn. 63 (1994) 3059-3077.

  • M. Imada
    "Scaling Theory of Transitions between the Mott Insulator and Quantum Fluids"
    J. Phys. Soc. Jpn. 63 (1994) 4294-4297.

  • N. Katoh and M. Imada
    "Phase Diagram of S-1/2 Quasi-One-Dimensional Heisenberg Model with Dimerized Antiferromagnetic Exchange"
    J. Phys. Soc. Jpn. 63 (1994) 4529-4541.

  • M. Imada
    "Cuprate Superconductors as Anomalous Metallic States near the Mott Insulator"
    Physica C 235-240 (1994) 2283-2284.

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1993

  • M. Imada
    "Two Types of Mott Transitions"
    J. Phys. Soc. Jpn. 62 (1993) 1105-1108.

  • M. Imada
    "Spin-Peierls Fluctuation and Dimerization: A Possible Mechanism of Superconductivity"
    Physica B 186-188 (1993) 822-827.

  • M. Imada
    "Spin Gap State and Superconducting Correlation in One Dimensional Dimerized t-J Model"
    Phys. Rev. B 48 (1993) 550-556.

  • N. Furukawa and M. Imada
    "Metal-Insulator Transition in the Two Dimensional Hubbard Model"
    Physica B 186-188 (1993) 931-934.

  • N. Furukawa and M. Imada
    "Chage Mass Singularity in Two-Dimensional Hubbard Model"
    J. Phys. Soc. Jpn. 62 (1993) 2557-2560.

  • N. Katoh and M. Imada
    "Phase Diagram of S=1/2 Antiferromagnetic Heisenberg Model on a Dimerized Square Lattice"
    J. Phys. Soc. Jpn. 62 (1993) 3728-3740.

  • M. Imada
    "Spin Peierls Fluctuation and Nonlinear Excitationsin One-Dimensional Systems"
    Prog. Theor. Phys. Suppl. 113 (1993) 203-213.

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1992

  • M. Imada
    "On Dimer Pairing Mechanism of Superconductivity"
    J. Phys. Soc. Jpn. 61 (1992) 423-427.

  • N. Furukawa and M. Imada
    "Fixed Point of the Spin-Fermion Model Doped with a Single Fermion"
    J. Phys. Soc. Jpn. 61 (1992) 2048-2055.

  • N. Furukawa and M. Imada
    "Two-Dimensional Hubbard Model --- Metal Insulator Transition Studied by Monte Carlo Calculation --- "
    J. Phys. Soc. Jpn. 61 (1992) 3331-3354.

  • M. Imada, N. Furukawa and T.M. Rice
    "Crossover of Spin Correlations in the One-Dimensional Hubbard Model"
    J. Phys. Soc. Jpn. 61 (1992) 3861-3864.

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1991

  • N. Furukawa and M. Imada
    "Minus Sign Problem in the Monte Carlo Simulation of Lattice Fermion Systems"
    J. Phys. Soc. Jpn. 60 (1991) 810-824.

  • M. Imada
    "Spin Dimer State Model and Spin-Phonon Coupling Model of Superconductivity"
    J. Phys. Soc. Jpn. 60 (1991) 1877-1880.

  • M. Imada
    "Superconducting Correlation of Two-Dimensional Hubbard Model near Half-Filling"
    J. Phys. Soc. Jpn. 60 (1991) 2740-2747.

  • N. Furukawa and M. Imada
    "Charge Gap, Charge Susceptibility and Spin Correlation in the Hubbard Model on a Square Lattice"
    J. Phys. Soc. Jpn. 60 (1991) 3604-3607.

  • N. Furukawa and M. Imada
    "Optimization of Initial State Vector in the Ground State Algorithm of Lattice Fermion Simulations"
    J. Phys. Soc. Jpn. 60 (1991) 3669-3674.

  • M. Imada
    "Dimerized Spin Model of Superconductivity"
    Physica C 185-189 (1991) 1421-1422.

  • N. Furukawa and M. Imada
    "Ground State Properties of the Two-Dimensional Spin Fermion Model"
    Physica C 185-189 (1991) 1441-1442.

  • N. Furukawa and M. Imada
    "Monte Carlo Simulation of Nearly Half-Filled Hubbard Model in the Ground State"
    Physica C 185-189 (1991) 1443-1444.

  • M. Imada
    "Numerical Results on Superconducting Correlation and Momentum Distribution in Repulsive and Attractive Hubbard Model"
    Physica C 185-189 (1991) 1447-1448.

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1990

  • N. Furukawa and M. Imada
    "Ground State Properties of the Coupled Spin Fermion Model in the Weak Coupling Region"
    J. Phys. Soc. Jpn. 59 (1990) 1771-1791.

  • M. Imada
    "Absence of Chirality and Flux in Quantum Spin Systems and the Hubbard Model in Two-Dimension"
    Prog. Theor. Phys. Suppl. 101 (1990) 391-402.

  • M. Imada
    "Superconducting Correlation of the One-Dimensional t-J Model"
    J. Phys. Soc. Jpn. 59 (1990) 4121-4128.

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