FINITE-TEMPERATURE SU(2) LMG MODEL - MEAN-FIELD VERSUS EXACT CALCULATION

Authors
BRITO L DAPROVIDENCIA C DAPROVIDENCIA J
Citation
L. Brito et al., FINITE-TEMPERATURE SU(2) LMG MODEL - MEAN-FIELD VERSUS EXACT CALCULATION, Modern physics letters A, 12(38), 1997, pp. 2985-2992
Citations number
5
Journal title
Modern physics letters A → ACNP
ISSN journal
02177323
Volume
12
Issue
38
Year of publication
1997
Pages
2985 - 2992
Database
ISI
SICI code
0217-7323(1997)12:38<2985:FSLM-M>2.0.ZU;2-O
Abstract
A variational approach is applied to the description of temperature ef fects in an N-particle exactly solvable schematic model, with SU(2) sy mmetry. The ground-state energy and the strength distribution for diff erent couplings and temperatures are compared with the exact results.