A solvable model of a random spin-1/2 XY chain

Abstract

The paper presents exact calculations of thermodynamic quantities for the spin-1/2 isotropic XY chain with random lorentzian intersite interaction and transverse field that depends linearly on the surrounding intersite interactions.

14 pages (Latex), 2 tables, 13 ps-figures included, (accepted for publication in Phys.Rev.B)

References in corpus (1)

• One variation on Lloyd's theme

Cited by in corpus (10)

• Dynamics of a quantum phase transition in the Aubry-André-Harper model with $p$-wave superconductivity
• Geometric phase and quantum phase transition in an inhomogeneous periodic XY spin-1/2 model
• Exact results on spin dynamics and multiple quantum dynamics in alternating spin-1/2 chains with XY-Hamiltonian at high temperatures
• Exact solution of a spin-1/2 $XX$ chain with three-site interactions in a random transverse field: Influence of randomness on quantum phase transition
• Thermodynamic properties of spin-1/2 transverse XY chain with Dzyaloshinskii-Moriya interaction: Exact solution for correlated Lorentzian disorder
• Thermodynamic properties of the periodic nonuniform spin-1/2 isotropic XY chains in a transverse field
• Quantum phase transitions in alternating transverse Ising chains: Rigorous analytical and exact numerical results
• The spin-1/2 transverse XX chain with regularly alternating bonds and fields
• The effects of KSEA interaction on the ground-state properties of spin chains in a transverse field
• The Correlated Lloyd model: exact solution