LOCALIZED-SPINS IDEAL PARAMAGNET WITHIN NON-EXTENSIVE THERMOSTATISTICS

Authors
NOBRE FD TSALLIS C
Citation
Fd. Nobre et C. Tsallis, LOCALIZED-SPINS IDEAL PARAMAGNET WITHIN NON-EXTENSIVE THERMOSTATISTICS, Philosophical magazine. B. Physics of condensed matter. Statistical mechanics, electronic, optical and magnetic, 73(5), 1996, pp. 745-762
Citations number
60
Categorie Soggetti
Physics, Applied",Mechanics,"Physics, Condensed Matter","Material Science
Journal title
Philosophical magazine. B. Physics of condensed matter. Statistical mechanics, electronic, optical and magnetic → ACNP
ISSN journal
13642812
Volume
73
Issue
5
Year of publication
1996
Pages
745 - 762
Database
ISI
SICI code
1364-2812(1996)73:5<745:LIPWNT>2.0.ZU;2-2
Abstract
Within a recently generalized thermostatistical framework which allows for non-extensive effects, we discuss numerically the ideal paramagne t (N non-interacting localized spins in the presence of an external ma gnetic field) in order to illustrate the existence of a well behaved t hermodynamic limit for the canonical ensemble. Both the specific heat (generalized Schottky anomaly) and the isothermal magnetic susceptibil ity (generalized Curie law) are calculated and data collapse is exhibi ted for N much greater than 1. In addition to this, and within a molec ular-field approximation, we have generalized the Curie-Weiss law.