Publications (160)
Unconventional quantum criticality emerging as a new common language of transition-metal compounds, heavy-fermion systems, and organic conductors
Masatoshi Imada, Takahiro Misawa, Youhei Yamaji
Spin-1 chain doped with mobile S=1/2 fermions
Beat Ammon, Masatoshi Imada
Theory of pseudogap and superconductivity in doped Mott insulators
Masatoshi Imada, Youhei Yamaji, Shiro Sakai +1
Variational Monte Carlo method for fermionic models combined with tensor networks and applications to the hole-doped two-dimensional Hubbard model
Hui-Hai Zhao, Kota Ido, Satoshi Morita +1
Ab initio effective Hamiltonians for cuprate superconductors
Motoaki Hirayama, Youhei Yamaji, Takahiro Misawa +1
Microscopic and Spectroscopic Evidence for a Slater Metal-Insulator Transition in Sr2IrO4
Qing Li, Guixin Cao, Satoshi Okamoto +12
Fate of Quasiparticle at Mott Transition and Interplay with Lifshitz Transition Studied by Correlator Projection Method
Kota Hanasaki, Masatoshi Imada
Optical Absorption Study by Ab initio Downfolding Approach: Application to GaAs
Kazuma Nakamura, Yoshihide Yoshimoto, Ryotaro Arita +2
Exciton Lifetime Paradoxically Enhanced by Dissipation and Decoherence - Toward Efficient Energy Conversion of Solar Cell
Yasuhiro Yamada, Youhei Yamaji, Masatoshi Imada
First-Principles Study of the Honeycomb-Lattice Iridates Na2IrO3 in the Presence of Strong Spin-Orbit Interaction and Electron Correlations
Youhei Yamaji, Yusuke Nomura, Moyuru Kurita +2
Ground state properties of $\mathrm{Na_2IrO_3}$ determined from $\textit{ab initio}$ Hamiltonian and its extensions containing Kitaev and extended Heisenberg interactions
Tsuyoshi Okubo, Kazuya Shinjo, Youhei Yamaji +4
Evidence for hidden fermion that triggers high-temperature superconductivity in cuprates
Shiro Sakai, Marcello Civelli, Masatoshi Imada
Cofermion Theory for Pseudogap Phenomena and Superconducting Mechanism of Underdoped Cuprate Superconductors
Youhei Yamaji, Masatoshi Imada
Drude Weight of the Two-Dimensional Hubbard Model -- Reexamination of Finite-Size Effect in Exact Diagonalization Study --
Hiroki Nakano, Yoshinori Takahashi, Masatoshi Imada
Enhancement of Pairing Correlation and Spin Gap through Suppression of Single-Particle Dispersion in One-Dimensional Models
Masanori Kohno, Masatoshi Imada
Ab initio Derivation of Low-energy Model for Iron-Based Superconductors LaFeAsO and LaFePO
Kazuma Nakamura, Ryotaro Arita, Masatoshi Imada
Orbital Order Effect of Two-Dimensional Spin Gap System for CaV4O9
Nobuyuki Katoh, Masatoshi Imada
Spin Fluctuation Theory for Quantum Tricritical Point Arising in Proximity to First-Order Phase Transitions: Applications to Heavy-Fermion Systems, YbRh2Si2, CeRu2Si2, and beta-YbAlB4
Takahiro Misawa, Youhei Yamaji, Masatoshi Imada
Mott Transition and Phase Diagram of $κ$-(BEDT-TTF)2Cu(NCS)2 Studied by Two-Dimensional Model Derived from Ab initio Method
Hiroshi Shinaoka, Takahiro Misawa, Kazuma Nakamura +1
Direct Connection between Mott Insulator and d-Wave High-Temperature Superconductor Revealed by Continuous Evolution of Self-Energy Poles
Shiro Sakai, Marcello Civelli, Masatoshi Imada
Filling-Control Metal-Insulator Transition in the Hubbard Model Studied by the Operator Projection Method
Shigeki Onoda, Masatoshi Imada
YbRh2Si2: Quantum tricritical behavior in itinerant electron systems
Takahiro Misawa, Youhei Yamaji, Masatoshi Imada
Variational Monte Carlo Study of Electron Differentiation around Mott Transition
Daisuke Tahara, Masatoshi Imada
Pseudogap and Superconducting Fluctuations in High-Tc Cuprates
Shigeki Onoda, Masatoshi Imada
Derivation of Static Low-Energy Effective Models by ab initio Downfolding Method without Double Counting of Coulomb Correlations: Application to SrVO3, FeSe and FeTe
Motoaki Hirayama, Takashi Miyake, Masatoshi Imada
Electronic Structure Calculation by First Principles for Strongly Correlated Electron Systems
Masatoshi Imada, Takashi Miyake
Dynamic Exponent of t-J and t-J-W Model
Hirokazu Tsunetsugu, Masatoshi Imada
Metallic Interface Emerging at Magnetic Domain Wall of Antiferromagnetic Insulator---Fate of Extinct Weyl Electrons
Youhei Yamaji, Masatoshi Imada
Correlation-induced superconductivity dynamically stabilized and enhanced by laser irradiation
Kota Ido, Takahiro Ohgoe, Masatoshi Imada
Thermodynamics and Optical Conductivity of a Dissipative Carrier in a Tight Binding Model
Takeo Kato, Masatoshi Imada
Ordering and Fluctuation of Orbital and Lattice Distortion in Perovskite Manganese Oxides
Yukitoshi Motome, Masatoshi Imada
Competition among Superconducting, Antiferromagnetic, and Charge Orders with Intervention by Phase Separation in the 2D Holstein-Hubbard Model
Takahiro Ohgoe, Masatoshi Imada
Quantum-number projection in the path-integral renormalization group method
Takahiro Mizusaki, Masatoshi Imada
Tensor network algorithm by coarse-graining tensor renormalization on finite periodic lattices
Hui-Hai Zhao, Zhi-Yuan Xie, Tao Xiang +1
Scaling Properties of Antiferromagnetic Transition in Coupled Spin Ladder Systems Doped with Nonmagnetic Impurities
Masatoshi Imada, Youichirou Iino
Effects of Nonmagnetic Impurity Doping on Spin Ladder System
Youichirou Iino, Masatoshi Imada
Metal-Insulator and Superconductor-Insulator Transitions in Correlated Electron Systems
Masatoshi Imada, Fakher F. Assaad, Hirokazu Tsunetsugu +1
Ground State Properties and Optical Conductivity of the Transition Metal Oxide ${\rm Sr_{2}VO_{4}}$
Yoshiki Imai, Masatoshi Imada
Phase Diagram Structure of Topological Mott Transition for Zero-gap Semiconductors beyond Conventional Landau-Ginzburg-Wilson Scenario
Moyuru Kurita, Youhei Yamaji, Masatoshi Imada
Variational Monte Carlo Method Combined with Quantum-Number Projection and Multi-Variable Optimization
Daisuke Tahara, Masatoshi Imada
Vortices and Quantum tunneling in Current-Biased 0-Ï-0 Josephson Junctions of d-wave Superconductors
Takeo Kato, Masatoshi Imada
Precise Determination of Phase Diagram for Two-Dimensional Hubbard Model with Filling- and Bandwidth-Control Mott Transitions: Grand-Canonical Path-Integral Renormalization Group Approach
Shinji Watanabe, Masatoshi Imada
Superconductivity from Flat Dispersion Designed in Doped Mott Insulators
Masatoshi Imada, Masanori Kohno
Composite-Fermion Theory for Pseudogap, Fermi Arc, Hole Pocket, and Non-Fermi-Liquid of Underdoped Cuprate Superconductors
Youhei Yamaji, Masatoshi Imada
Effects of Orbital Degeneracy and Electron Correlation on Charge Dynamics in Perovskite Manganese Oxides
Hiroki Nakano, Yukitoshi Motome, Masatoshi Imada
Mott Transitions in the 2D Half-Filled Hubbard Model: Correlator Projection Method with Projective Dynamical Mean-Field Approximation
Shigeki Onoda, Masatoshi Imada
What is Minimal Model of 3He Adsorbed on Graphite? -Importance of Density Fluctuations in 4/7 Registered Solid -
Shinji Watanabe, Masatoshi Imada
Low-energy effective Hamiltonians for correlated electron systems beyond density functional theory
Motoaki Hirayama, Takashi Miyake, Masatoshi Imada +1
Single-particle excitations under coexisting electron correlation and disorder: a numerical study of the Anderson-Hubbard model
Hiroshi Shinaoka, Masatoshi Imada
Does Simple Two-Dimensional Hubbard Model Account for High-Tc Superconductivity in Copper Oxides?
Takeshi Aimi, Masatoshi Imada
Precise estimation of shell model energy by second order extrapolation method
Takahiro Mizusaki, Masatoshi Imada
Modulated Helical Metals at Magnetic Domain Walls of Pyrochlore Iridium Oxides
Youhei Yamaji, Masatoshi Imada
Gaussian-Basis Monte Carlo Method for Numerical Study on Ground States of Itinerant and Strongly Correlated Electron Systems
Takeshi Aimi, Masatoshi Imada
Optical Conductivity of the Two-Dimensional Hubbard Model
Hiroki Nakano, Masatoshi Imada
Quantum Spin Liquid in Spin 1/2 J1-J2 Heisenberg Model on Square Lattice: Many-Variable Variational Monte Carlo Study Combined with Quantum-Number Projections
Satoshi Morita, Ryui Kaneko, Masatoshi Imada
Superconductivity and its mechanism in an ab initio model for electron-doped LaFeAsO
Takahiro Misawa, Masatoshi Imada
Effects of Electron Correlation, Orbital Degeneracy and Jahn-Teller Coupling in Perovskite Manganites
Yukitoshi Motome, Masatoshi Imada
Critical exponents of the quantum phase transition in a planar antiferromagnet
Matthias Troyer, Masatoshi Imada, Kazuo Ueda
Stripe and superconducting order competing in the Hubbard model on a square lattice studied by a combined variational Monte Carlo and tensor network method
Andrew S. Darmawan, Yusuke Nomura, Youhei Yamaji +1
Reply to Comment on "Evolution of electronic structure of doped Mott insulator - reconstruction of poles and zeros of Green's function" [arXiv:0904.0454] by P. Phillips
Shiro Sakai, Yukitoshi Motome, Masatoshi Imada
Control of Superconducting Correlations in High-Tc Cuprates
Hirokazu Tsunetsugu, Masatoshi Imada
Variational Monte Carlo Method in the Presence of Spin-Orbit Interaction and Its Application to the Kitaev and Kitaev-Heisenberg Model
Moyuru Kurita, Youhei Yamaji, Satoshi Morita +1
Theoretical evidence for strong correlations and incoherent metallic state in FeSe
Markus Aichhorn, Silke Biermann, Takashi Miyake +2
Quantum Mott Transition and Multi-Furcating Criticality
Masatoshi Imada
Finite-Temperature Variational Monte Carlo Method for Strongly Correlated Electron Systems
Kensaku Takai, Kota Ido, Takahiro Misawa +2
Ab initio Low-Dimensional Physics Opened Up by Dimensional Downfolding: Application to LaFeAsO
Kazuma Nakamura, Yoshihide Yoshimoto, Yoshiro Nohara +1
Transport Properties of Doped t-J Ladders
Hirokazu Tsunetsugu, Masatoshi Imada
Quantum criticality around metal-insulator transitions of strongly correlated electrons
Takahiro Misawa, Masatoshi Imada
Hidden-Fermion Representation of Self-energy in Pseudogap and Superconducting States of Two-Dimensional Hubbard Model
Shiro Sakai, Marcello Civelli, Masatoshi Imada
Metal-Insulator Transition in Mn Perovskite Compounds
Yukitoshi Motome, Hiroki Nakano, Masatoshi Imada
Comparison of Ab initio Low-Energy Models for LaFePO, LaFeAsO, BaFe2As2, LiFeAs, FeSe and FeTe: Electron Correlation and Covalency
Takashi Miyake, Kazuma Nakamura, Ryotaro Arita +1
Ab initio two-dimensional multiband low-energy models of EtMe_3Sb[Pd(dmit)_2]_2 and κ-(BEDT-TTF)_2Cu(NCS)_2 with comparisons to single-band models
Kazuma Nakamura, Yoshihide Yoshimoto, Masatoshi Imada
Gapless quantum spin liquid, stripe and antiferromagnetic phases in frustrated Hubbard models in two dimensions
Takahiro Mizusaki, Masatoshi Imada
Electron Correlation Effects on Topological Phases
Masatoshi Imada, Youhei Yamaji, Moyuru Kurita
Ab-initio Low-Energy Model of Transition-Metal-Oxide Heterostructure LaAlO3/SrTiO3
Motoaki Hirayama, Takashi Miyake, Masatoshi Imada
Ab-initio procedure for effective models of correlated materials with entangled band structure
Takashi Miyake, Ferdi Aryasetiawan, Masatoshi Imada
Universal departure from Johnson-Nyquist relation caused by limited resolution
Yasuhiro Yamada, Masatoshi Imada
Spin Gap in Two-Dimensional Heisenberg Model for CaV$_4$O$_9$
Nobuyuki Katoh, Masatoshi Imada
Stability of Unconventional Superconductivity on Surfaces of Topological Insulators
Yuto Ito, Youhei Yamaji, Masatoshi Imada
Doped high-Tc cuprate superconductors elucidated in the light of zeros and poles of electronic Green's function
Shiro Sakai, Yukitoshi Motome, Masatoshi Imada
Evolution of electronic structure of doped Mott insulators - reconstruction of poles and zeros of Green's function
Shiro Sakai, Yukitoshi Motome, Masatoshi Imada
An extrapolation method for shell model calculations
Takahiro Mizusaki, Masatoshi Imada
Magnetic and Orbital States and Their Phase Transition of the Perovskite-Type Ti Oxides: Strong Coupling Approach
Masahito Mochizuki, Masatoshi Imada
Quantum Phase Transitions to Charge Order and Wigner Crystal Under Interplay of Lattice Commensurability and Long-Range Coulomb Interaction
Yohei Noda, Masatoshi Imada
High-temperature Superconductivity in Layered Nitrides β-Li$_x$MNCl (M = Ti, Zr, Hf): Insights from Density-functional Theory for Superconductors
Ryosuke Akashi, Kazuma Nakamura, Ryotaro Arita +1
Thermodynamic Relations in Correlated Systems
Shinji Watanabe, Masatoshi Imada
Quantum Mott Transition and Superconductivity
Masatoshi Imada
Quantum Effects in Resistance-Shunted Josephson Junctions
Takeo Kato, Masatoshi Imada
Electronic Structure of Strongly Correlated Systems Emerging from Combining Path-Integral Renormalization Group with Density Functional Approach
Yoshiki Imai, Igor V. Solovyev, Masatoshi Imada
Antiferromagnetic Ising Model on Inverse Perovskite Lattice
Daisuke Tahara, Yukitoshi Motome, Masatoshi Imada
Finite-Temperature Mott Transition in the Two-Dimensional Hubbard Model
Shigeki Onoda, Masatoshi Imada
Transition from Band insulator to Bose-Einstein Condensate superfluid and Mott State of Cold Fermi Gases with Multiband Effects in Optical Lattices
Ryota Watanabe, Masatoshi Imada
Improved Multi-Variable Variational Monte Carlo Method Examined by High-Precision Calculations of One-Dimensional Hubbard Model
Ryui Kaneko, Satoshi Morita, Masatoshi Imada
Orbital-Spin Structure and Coupling to Lattice in RTiO$_3$ with R=La,Pr,Nd and Sm
Masahito Mochizuki, Masatoshi Imada
Cluster-size dependence in cellular dynamical mean-field theory
Shiro Sakai, Giorgio Sangiovanni, Marcello Civelli +3
Theory of Electron Differentiation, Flat Dispersion and Pseudogap Phenomena
Masatoshi Imada, Shigeki Onoda
Comment on arXiv:0811.1575 entitled "Quantum phase transitions in the Hubbard model on triangular lattice" by T. Yoshioka, A. Koga and N. Kawakami
Shinji Watanabe, Takahiro Mizusaki, Masatoshi Imada
Theory of Electron Transport near Anderson-Mott Transitions
Hiroshi Shinaoka, Masatoshi Imada
Critical Exponents of the Metal-Insulator Transition in the Two-Dimensional Hubbard Model
Nobuo Furukawa, Fakher F. Assaad, Masatoshi Imada
Orbital Physics in the Perovskite Ti Oxides
Masahito Mochizuki, Masatoshi Imada