Possible Metastable State Triggered by Competition of Peierls State and Charge Ordered State (2008)
Omori, Y., Tsuchiizu, M., Suzumura, Y.
We examine a Peierls ground state and its competing metastable state in the one-dimensional quarter-filled Peierls-Hubbard model with the nearest-neighbor repulsive interaction V and the...
Peierls ground state and excitations in the electron-lattice correlated system (EDO-TTF)_{2}X (2008)
We investigate the exotic Peierls state in the one-dimensional organic compound (EDO-TTF)_{2}X, wherein the Peierls transition is accompanied by the bending of molecules and also by a fourfold...
Role of interchain hopping in two disordered chains of spinless fermions (2007)
Orignac, E., Suzumura, Y., Giamarchi, T.
The effect of interchain hopping and interaction on Anderson localization has been investigated for two coupled chains of spinless fermions with nearest neighbor interaction. Using the...
Interchain-Frustration-Induced Metallic State in Quasi-One-Dimensional Mott Insulators (2007)
Tsuchiizu, M., Suzumura, Y., Bourbonnais, C.
The mechanism that drives a metal-insulator transition in an undoped quasi-one-dimensional Mott insulator is examined in the framework of the Hubbard model with two different hoppings t_{perp 1} and...
Anisotropic siloxane-based monolith prepared in confined spaces (2006)
Suzumura, Y, Kanamori, K, Nakanishi, K, Hirao, K, Yamamichi, J
Magnetic response and quantum critical behavior in the doped two-leg extended Hubbard ladder (2005)
We have investigated quantum critical behavior in the doped two-leg extended Hubbard ladder, by using a weak-coupling bosonization method. In the ground state, the dominant fluctuation changes from...
The anisotropic superconductivity and the density wave have been investigated by applying the Kadanoff-Wilson renormalization group technique to the quasi-one-dimensional system with finite-range...
Magnetic response and quantum critical behavior in the doped two-leg extended Hubbard ladder (2004)
We have investigated quantum critical behavior in the doped two-leg extended Hubbard ladder, by using a weak-coupling bosonization method. In the ground state, the dominant fluctuation changes from...
Charge-Density-Wave Formation in the Doped Two-Leg Extended Hubbard Ladder (2003)
We investigate electronic properties of the doped two-leg Hubbard ladder with both the onsite and the nearest-neighbor Coulomb repulsions, by using the the weak-coupling renormalization-group method....
Effects of Charge Ordering on Spin-Wave of Quarter-Filled Spin-Density-Wave States (2002)
Tomio, Y., Kurihara, Y., Suzumura, Y.
Spin-wave excitations of quarter-filled spin-density-wave state, which coexists with charge ordering, have been studied for one-dimensional extended Hubbard model with the nearest-neighbor repulsive...
Competition of disorder and interchain hopping in a two-chain Hubbard model (2001)
We study the interplay of Anderson localization and interaction in a two chain Hubbard ladder allowing for arbitrary ratio of disorder strength to interchain coupling. We obtain three different types...
Tomio, Y., Dupuis, N., Suzumura, Y.
We study spin fluctuations in quarter-filled one-dimensional spin-density-wave systems in presence of short-range Coulomb interactions. By applying a path integral method, the spin-wave velocity is...
Effects of Next-Nearest-Neighbor Repulsion on One-Dimensional Quarter-Filled Electron Systems (2000)
Yoshioka, H., Tsuchiizu, M., Suzumura, Y.
We examine effects of the next-nearest-neighbor repulsion on electronic states of a one-dimensional interacting electron system which consists of quarter-filled band and interactions of on-site and...
Commensurate-incommensurate transition in two-coupled chains of nearly half-filled electrons (2000)
Tsuchiizu, M., Donohue, P., Suzumura, Y., Giamarchi, T.
We investigate the physical properties of two coupled chains of electrons, with a nearly half-filled band, as a function of the interchain hopping t_\perp and the doping. We show that upon doping,...
Spinless fermions ladders at half filling (2000)
Donohue, P., Tsuchiizu, M., Giamarchi, T., Suzumura, Y.
We study a half filled ladder of spinless fermions. We show that contrarily to a single chain, the ladder becomes a Mott insulator for arbitrarily small repulsive interactions. We obtain the full...
Role of interchain hopping in two disordered chains of spinless fermions (2000)
Orignac, E., Suzumura, Y., Giamarchi, T.
The effect of interchain hopping and interaction on Anderson localization has been investigated for two coupled chains of spinless fermions with nearest neighbor interaction. Using the...
Mechanism of confinement in low-dimensional organic conductors (2000)
Confinement-deconfinement transition in quarter-filled two-coupled chains comprising dimerization, repulsive interactions and interchain hopping has been demonstrated by applying the renormalization...
Electronic states in correlated three-coupled chains (2000)
Three-coupled chains of quarter-filled Hubbard model with dimerization have been studied for periodic boundary conditions. By use of a renormalization group method, it is found that the interchain...
Confinement-deconfinement transition in two coupled chains with umklapp scattering (1999)
A role of umklapp scattering has been examined for two-coupled chains with both forward and backward scattering by applying the renormalization group method to the bosonized Hamiltonian. It has been...
Confinement-deconfinement transition in two-coupled chains with umklapp scattering (1999)
A role of umklapp scattering has been examined for two-coupled chains with both forward and backward scatterings by applying renormalization group method to bosonized Hamiltonian. It has been found...
Response Functions of Two-Coupled Chains of Tomonaga-Luttinger Liquids (1998)
Properties of fluctuations in two chains of Tomonaga-Luttinger liquids coupled by the interchain hopping have been studied by calculating retarded response functions $\chi^R_{\rho} (q_x,q_y;\omega)$...
Confinement of Interchain Hopping by Umklapp Scattering in Two-Coupled Chains (1998)
Suzumura, Y., Tsuchiizu, M., Gruner, G.
The effect of umklapp scattering on interchain hopping has been investigated for two-coupled chains of interacting electrons with half-filled band. By analyzing in terms of renormalization group...
Effect of Thermal Fluctuation on Spectral Function for the Tomonaga-Luttinger Model (1997)
We examine the spectral function of the single electron Green function at finite temperatures for the Tomonaga-Luttinger model which consists of the mutual interaction with only the forward...