https://doi.org/10.1140/epjb/e2005-00272-6
Exact thermodynamic limit of short-range correlation functions of the antiferromagnetic XXZ-chain at finite temperatures
Bergische Universität Wuppertal, Fachbereich C – Physik, 42097 Wuppertal, Germany
Corresponding author: a mib105@rsphysse.anu.edu.au
Received:
27
April
2005
Published online:
18
August
2005
We numerically evaluate certain multiple integrals representing nearest and next-nearest neighbor correlation functions of the spin-1/2 XXZ Heisenberg infinite chain at finite temperatures.
PACS: 05.30.-d – Quantum statistical mechanics / 75.10.Pq – Spin chain models
© EDP Sciences, Società Italiana di Fisica, Springer-Verlag, 2005