Local moment and specific heat in the Hubbard model

Citation
T. Paiva et al., Local moment and specific heat in the Hubbard model, J MAGN MAGN, 226, 2001, pp. 224-226
Citations number
9
Categorie Soggetti
Apllied Physucs/Condensed Matter/Materiales Science
Journal title
JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS
ISSN journal
03048853 → ACNP
Volume
226
Year of publication
2001
Part
1
Pages
224 - 226
Database
ISI
SICI code
0304-8853(200105)226:<224:LMASHI>2.0.ZU;2-F
Abstract
We discuss the local moment and specific heat of the two-dimensional half-f illed Hubbard model. For small values of U the local moment displays not on ly a strucure at T similar to U, but also an additional increase at low T. leading to a two-peak structure for C(T) down to U = t. (C) 2001 Elsevier S cience B.V. All rights reserved.