Field-theoretical methods in quantum magnetism
We present a review of different field theory techniques that have proved very useful in the
study of quantum magnets in low dimensions We first review the application of the spin …
study of quantum magnets in low dimensions We first review the application of the spin …
Phase diagram of the Hubbard chain with two atoms per cell
ME Torio, AA Aligia, HA Ceccatto - Physical Review B, 2001 - APS
We obtain the quantum phase diagram of the Hubbard chain with alternating on-site energy
at half filling. The model is relevant for the ferroelectric perovskites and organic mixed-stack …
at half filling. The model is relevant for the ferroelectric perovskites and organic mixed-stack …
Combined analytical and numerical approach to study magnetization plateaux in doped quasi-one-dimensional antiferromagnets
We investigate the magnetic properties of quasi-one-dimensional quantum spin-S
antiferromagnets. We use a combination of analytical and numerical techniques to study the …
antiferromagnets. We use a combination of analytical and numerical techniques to study the …
Curvature effects on magnetic susceptibility of 1D attractive two component fermions
T Vekua, SI Matveenko, GV Shlyapnikov - JETP letters, 2009 - Springer
We develop a bosonization approach for finding magnetic susceptibility of 1D attractive two
component Fermi gas at the onset of magnetization taking into account the curvature effects …
component Fermi gas at the onset of magnetization taking into account the curvature effects …
Renormalization of impurity scattering in one-dimensional interacting electron systems in magnetic field
T Hikihara, A Furusaki, KA Matveev - Physical Review B—Condensed Matter …, 2005 - APS
We study the renormalization of a single impurity potential in one-dimensional interacting
electron systems in the presence of magnetic field. Using the bosonization technique and …
electron systems in the presence of magnetic field. Using the bosonization technique and …
Bosonization and density-matrix renormalization group studies of the Fulde-Ferrell-Larkin-Ovchinnikov phase and irrational magnetization plateaus in coupled chains
We review the properties of two coupled fermionic chains, or ladders, under a magnetic field
parallel to the lattice plane. Results are computed by complementary analytical …
parallel to the lattice plane. Results are computed by complementary analytical …
Magnetization plateau as a result of the uniform and gradual electron doping in a coupled spin-electron double-tetrahedral chain
L Gálisová - Physical Review E, 2017 - APS
The double-tetrahedral chain in a longitudinal magnetic field, whose nodal lattice sites
occupied by the localized Ising spins regularly alternate with triangular plaquettes with the …
occupied by the localized Ising spins regularly alternate with triangular plaquettes with the …
Zeeman Effect in Superconducting Two-Leg Ladders: Irrational Magnetization Plateaus<? format?> and Exceeding the Pauli Limit
The effect of a parallel magnetic field on superconducting two-leg ladders is investigated
numerically. The magnetization curve displays an irrational plateau at a magnetization equal …
numerically. The magnetization curve displays an irrational plateau at a magnetization equal …
Combined analytical and numerical approach to magnetization plateaux in one-dimensional spin tube antiferromagnets
In this paper, we investigate the properties of frustrated three-leg spin-S tubes under a
magnetic field. We concentrate on two kind of geometries for these tubes, one of which is …
magnetic field. We concentrate on two kind of geometries for these tubes, one of which is …
Magnetization plateaus and Luttinger liquid behavior in XXZ chains with superlattice structure
J Silva-Valencia, E Miranda - Physical Review B, 2001 - APS
We study spin superlattices composed of a repeated pattern of two long spin-1 2 XXZ chains
with different anisotropy parameters. They can be viewed as the limit of p-merized chains …
with different anisotropy parameters. They can be viewed as the limit of p-merized chains …