Local spin correlations in Heisenberg antiferromagnets - art. no. 064425

Citation
Wh. Zheng et J. Oitmaa, Local spin correlations in Heisenberg antiferromagnets - art. no. 064425, PHYS REV B, 6305(6), 2001, pp. 4425
Citations number
35
Categorie Soggetti
Apllied Physucs/Condensed Matter/Materiales Science
Journal title
PHYSICAL REVIEW B
ISSN journal
01631829 → ACNP
Volume
6305
Issue
6
Year of publication
2001
Database
ISI
SICI code
0163-1829(20010201)6305:6<4425:LSCIHA>2.0.ZU;2-H
Abstract
We use linked cluster series expansion methods to estimate the values of va rious short distance correlation functions in S = 1/2 Heisenberg antiferrom agnets at T = 0, fur dimension d = 1,2,3. The method incorporates the possi bility of spontaneous symmetry breaking, which is manifest in d = 2,3. The results are important in providing a test for approximate theories of the a ntiferromagnetic ground state.