THERMODYNAMIC STABILITY CONDITIONS FOR THE TSALLIS AND RENYI ENTROPIES - COMMENT

被引：64

作者：

TSALLIS, C

机构：

[1] CORNELL UNIV,CTR MAT SCI,ITHACA,NY 14853

[2] CTR BRASILEIRO PESQUISAS FIS,BR-22290180 RIO JANEIRO,BRAZIL

来源：

PHYSICS LETTERS A | 1995年 / 206卷 / 5-6期

关键词：

THERMODYNAMIC STABILITY; NONEXTENSIVE STATISTICAL MECHANICS AND THERMODYNAMICS; LONG-RANGE INTERACTIONS; SPECIFIC HEAT;

D O I：

10.1016/0375-9601(95)00655-M

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

Ramshaw [Phys. Lett. A 198 (1995) 119] has recently shown that if one considers the generalized entropy S-q, equivalent to k(1 - Sigma(i)P(i)(q))/(q - 1) (q epsilon R; q = 1 corresponds to standard thermostatistics) and the standard internal energy UI Sigma(i)p(i) epsilon(i), then thermodynamic stability of the system is not guaranteed for all values of q. We show here that the (physically desirable) thermodynamic stability is restored if, instead of U-1, one uses the (consistently) generalized internal energy U-q equivalent to Sigma(i)P(i)(q) epsilon(i).

引用

页码：389 / 391

页数：3

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