CONFORMAL-INVARIANCE AND THE LANCZOS METHOD STUDIES OF ASHKIN-TELLER QUANTUM CHAIN

Authors
ZHANG HY MA HR XU BW
Citation
Hy. Zhang et al., CONFORMAL-INVARIANCE AND THE LANCZOS METHOD STUDIES OF ASHKIN-TELLER QUANTUM CHAIN, Communications in Theoretical Physics, 23(2), 1995, pp. 211-214
Citations number
17
Categorie Soggetti
Physics
Journal title
Communications in Theoretical Physics → ACNP
ISSN journal
02536102
Volume
23
Issue
2
Year of publication
1995
Pages
211 - 214
Database
ISI
SICI code
0253-6102(1995)23:2<211:CATLMS>2.0.ZU;2-B
Abstract
The low-lying energy spectrum of quantum Ashkin-Teller chain in the cr itical region is calculated by using Lanczos method. According to conf ormal theory, the scaling dimensions chi and the normalizing factor xi are obtained from the energy spectrum.