期刊论文详细信息
Quantum-classical crossover in the spin-1/2 XXZ chain | |
Article | |
关键词: FINITE-TEMPERATURE CORRELATIONS; HEISENBERG CHAIN; TRANSVERSE FIELD; ISING CHAIN; MODEL; ANTIFERROMAGNET; UNIVERSAL; | |
DOI : 10.1103/PhysRevB.59.381 | |
来源: SCIE |
【 摘 要 】
We compute, by means of exact diagonalization of systems of N = 16 and 18 spins, the correlation function [sigma(0)(z)sigma(n)(z)] at nonzero temperature for the XXZ model with anisotropy Delta. In the gapless attractive region -1
Free 【 授权许可】