Weak-coupling phase diagram of the extended Hubbard model with correlated-hop** interaction
A one-dimensional model of interacting electrons with on-site U, nearest-neighbor V, and
correlated-hop** interaction T* is studied at half filling using the continuum-limit field …
correlated-hop** interaction T* is studied at half filling using the continuum-limit field …
Ground-state phase diagram of the one-dimensional half-filled extended Hubbard model
M Tsuchiizu, A Furusaki - Physical Review B, 2004 - APS
We revisit the ground-state phase diagram of the one-dimensional half-filled extended
Hubbard model with on-site (U) and nearest-neighbor (V) repulsive interactions. In the first …
Hubbard model with on-site (U) and nearest-neighbor (V) repulsive interactions. In the first …
Two-fluid coexistence and phase separation in a one-dimensional model with pair hop** and density interactions
We compute the phase diagram of a one-dimensional model of spinless fermions with pair
hop** and nearest-neighbor interaction, first introduced by Ruhman and Altman, using the …
hop** and nearest-neighbor interaction, first introduced by Ruhman and Altman, using the …
Engineering interactions and anyon statistics by multicolor lattice-depth modulations
We show that a multicolor modulation of the depth of an optical lattice allows for a flexible
independent control of correlated hop**, occupation-dependent gauge fields, effective on …
independent control of correlated hop**, occupation-dependent gauge fields, effective on …
Interaction-dependent photon-assisted tunneling in optical lattices: a quantum simulator of strongly-correlated electrons and dynamical gauge fields
We introduce a scheme that combines photon-assisted tunneling (PAT) by a moving optical
lattice with strong Hubbard interactions, and allows for the quantum simulation of …
lattice with strong Hubbard interactions, and allows for the quantum simulation of …
Triplet superconductivity in quasi-one-dimensional systems
Abstract We study a Hubbard Hamiltonian, including a quite general nearest-neighbor
interaction, parametrized by repulsion V, exchange interactions J z, J⊥, bond-charge …
interaction, parametrized by repulsion V, exchange interactions J z, J⊥, bond-charge …
Phase diagram of the ionic Hubbard model with density-dependent hop**
We obtain the quantum phase diagram of the ionic Hubbard model including electron-hole
symmetric density-dependent hop**. The boundaries of the phases are determined by …
symmetric density-dependent hop**. The boundaries of the phases are determined by …
Two-fluid coexistence in a spinless fermions chain with pair hop**
We show that a simple one-dimensional model of spinless fermions with pair hop**
displays a phase in which a Luttinger liquid of paired fermions coexists with a Luttinger …
displays a phase in which a Luttinger liquid of paired fermions coexists with a Luttinger …
Exploring unconventional hubbard models with doubly modulated lattice gases
Recent experiments show that periodic modulations of cold atoms in optical lattices may be
used to engineer and explore interesting models. We show that double modulation …
used to engineer and explore interesting models. We show that double modulation …
Effective one-band models for the one-dimensional cuprate
We consider a multiband Hubbard model H m for Cu and O orbitals in Ba 2− x Sr x CuO 3+ δ
similar to the three-band model for two-dimensional cuprates. The hop** parameters are …
similar to the three-band model for two-dimensional cuprates. The hop** parameters are …