Publications (53)
Optical freezing of charge motion in an organic conductor
Takahiro Ishikawa, Yuto Sagae, Yota Naitoh +10
Electronic State and Optical Response in a Hydrogen-Bonded Molecular Conductor
Makoto Naka, Sumio Ishihara
Charge Dynamics in a Correlated Fermion System on a Geometrically Frustrated Lattice
Makoto Naka, Sumio Ishihara
Quantum Melting of Magnetic Order in an Organic Dimer-Mott Insulating System
Makoto Naka, Sumio Ishihara
Band and Mott Insulators and Superconductivity in Honeycomb-Lattice Ionic-Hubbard Model
Tsutomu Watanabe, Sumio Ishihara
Quantum fluctuation and geometrical frustration effects on electric polarization
Tsutomu Watanabe, Sumio Ishihara
Orbital Ordering and Resonant X-ray Scattering in Layered Manganites
Sumio Ishihara, Sadamichi Maekawa
Photo-Induced Dynamics in Charge-Frustrated Systems
Hiroshi Hashimoto, Hiroaki Matsueda, Hitoshi Seo +1
Spin-state transition and phase separation in multi-orbital Hubbard model
Ryo Suzuki, Tsutomu Watanabe, Sumio Ishihara
Dilution Effects in Two-dimensional Quantum Orbital System
Takayoshi Tanaka, Sumio Ishihara
Quantum Dielectric Fluctuation in an Electronic Ferroelectricity studied by Variational Monte-Carlo Method
Tsutomu Watanabe, Sumio Ishihara
Photoinduced charge-order melting dynamics in a one-dimensional interacting Holstein model
Hiroshi Hashimoto, Sumio Ishihara
Pulse excitation to continuous-wave excitation in a low-dimensional interacting quantum system
Atsushi Ono, Hiroshi Hashimoto, Sumio Ishihara
Hole dynamics in spin and orbital ordered vanadium perovskites
Sumio Ishihara
Temperature dependence of the resistivity in the double-exchange model
Satoshi Ishizaka, Sumio Ishihara
Photo-Induced Phase Transition in Charge Order Systems --Charge Frustration and Interplay with Lattice--
Hiroshi Hashimoto, Hiroaki Matsueda, Hitoshi Seo +1
Ring-exchange interaction in doubly degenerate orbital system
Joji Nasu, Sumio Ishihara
Spin and Charge Fluctuations near Metal-Insulator Transition in Dimer-Type Molecular Solid
Naomichi Sato, Tsutomu Watanabe, Makoto Naka +1
Photoinduced correlated electron dynamics in a two-leg ladder Hubbard system
Hiroshi Hashimoto, Sumio Ishihara
Optical suppression of electron motion in low-dimensional correlated electron system
Atsushi Ono, Hiroshi Hashimoto, Sumio Ishihara
Orbital-selective confinement effect of Ru $4d$ orbitals in SrRuO$_3$ ultrathin film
Soonmin Kang, Yi Tseng, Beom Hyun Kim +11
Electronic Ferroelectricity in a Dimer Mott Insulator
Makoto Naka, Sumio Ishihara
Transient Carrier Dynamics in a Mott Insulator with Antiferromagnetic Order
Eiki Iyoda, Sumio Ishihara
Magneto-Electric Effect in a Spin-State Transition System
Makoto Naka, Eriko Mizoguchi, Joji Nasu +1
Double-Exchange Interaction in Optically Induced Nonequilibrium State: A Conversion from Ferromagnetic to Antiferromagnetic Structure
Atsushi Ono, Sumio Ishihara
Re-examination of orbital ordering in LaMnO$_3$: Electron-electron and electron-lattice interactions
Satoshi Okamoto, Sumio Ishihara, Sadamichi Maekawa
Resonating Valence-Bond State in an Orbitally Degenerate Quantum Magnet with Dynamical Jahn-Teller Effect
Joji Nasu, Sumio Ishihara
Photocontrol of magnetic structure in an itinerant magnet
Atsushi Ono, Sumio Ishihara
Vibronic Excitation Dynamics in Orbitally Degenerate Correlated Electron System
Joji Nasu, Sumio Ishihara
Photoinduced collective mode, inhomogeneity, and melting in a charge order system
Hitoshi Seo, Yasuhiro Tanaka, Sumio Ishihara
Phase Diagram in Manganese Oxides
Ryo Maezono, Sumio Ishihara, Naoto Nagaosa
Interplay of Electron-Phonon Interaction and Electron Correlation in High Temperature Superconductivity
Sumio Ishihara, Naoto Nagaosa
Magnetoelectric effect in organic molecular solids
Makoto Naka, Sumio Ishihara
Photoinduced charge and spin dynamics in strongly correlated electron systems
Hiroaki Matsueda, Sumio Ishihara
Theory of Orbital Ordering, Fluctuation and Resonant X-ray Scattering in Manganites
Sumio Ishihara, Sadamichi Maekawa
Resonant X-ray Scattering in Manganites - Study of Orbital Degree of Freedom -
Sumio Ishihara, Sadamichi Maekawa
Ordering and Excitation in Orbital Compass Model on a Checkerboard Lattice
Joji Nasu, Synge Todo, Sumio Ishihara
Dilution effect in correlated electron system with orbital degeneracy
Takayoshi Tanaka, Sumio Ishihara
Theory of Anomalous X-ray Scattering in Orbital Ordered Manganites
Sumio Ishihara, Sadamichi Maekawa
Pressure Effects in Manganites with Layered Perovskite Structure
Sumio Ishihara, Satoshi Okamoto, Sadamichi Maekawa
Dynamical Jahn-Teller Effect in Spin-Orbital Coupled System
Joji Nasu, Sumio Ishihara
Polarization Dependence of Anomalous X-ray Scattering in Orbital Ordered Manganites
Sumio Ishihara, Sadamichi Maekawa
Polar Charge Fluctuation and Superconductivity in Organic Conductor
Akihiko Sekine, Joji Nasu, Sumio Ishihara
Magneto-Dielectric phenomena in charge and spin frustrated system of layered iron oxide
Makoto Naka, Aya Nagano, Sumio Ishihara
Orbital Liquid in Perovskite Transition-Metal Oxides
Sumio Ishihara, Masanori Yamanaka, Naoto Nagaosa
Theory of Orbital Excitation and Resonant Inelastic X-ray Scattering in Manganites
Sumio Ishihara, Sadamichi Maekawa
Phase Diagram in R_{1-x}A_xMnO_3
Ryo Maezono, Sumio Ishihara, Naoto Nagaosa
Collective Charge Excitation in a Dimer Mott Insulating System
Makoto Naka, Sumio Ishihara
Numerical study of t2g orbital system with ferromagnetic polarization
Takayoshi Tanaka, Sumio Ishihara
Phase diagram and collective excitation in excitonic insulator: from the orbital physics viewpoint
Joji Nasu, Tsutomu Watanabe, Makoto Naka +1
Magnetic field effects in a correlated electron system with spin-state degree of freedom - Implication of an excitonic insulator -
Taro Tatsuno, Eriko Mizoguchi, Joji Nasu +2
Electronic Ferroelectricity and Frustration
Sumio Ishihara
Orbital Wave and its Observation in Orbital Ordered Titanates and Vanadates
Sumio Ishihara