FINITE-TEMPERATURE RESULTS FROM CONSTRAINED FERMIONIZATION IN THE 2-DSPIN 1 2 HEISENBERG-ANTIFERROMAGNET .2. FLUCTUATIONS IN THE DIMER PHASES/

Authors
DISTASIO M TAGLIACOZZO A ERCOLESSI E MORANDI G
Citation
M. Distasio et al., FINITE-TEMPERATURE RESULTS FROM CONSTRAINED FERMIONIZATION IN THE 2-DSPIN 1 2 HEISENBERG-ANTIFERROMAGNET .2. FLUCTUATIONS IN THE DIMER PHASES/, International journal of modern physics b, 8(6), 1994, pp. 757-776
Citations number
19
Categorie Soggetti
Physics, Condensed Matter","Physycs, Mathematical","Physics, Applied
Journal title
International journal of modern physics b → ACNP
ISSN journal
02179792
Volume
8
Issue
6
Year of publication
1994
Pages
757 - 776
Database
ISI
SICI code
0217-9792(1994)8:6<757:FRFCFI>2.0.ZU;2-4
Abstract
The constraint of single-site occupancy is implemented in the femioniz ation of the model, within the saddle point approximation. The columna r and the staggered dimer phases are studied and the contribution of t he fluctuations to the zero point energy and the specific heat is anal yzed.