Information measures based on Tsallis' entropy and geometric considerations for thermodynamic systems

被引：16

作者：

Portesi, M

Plastino, A

Pennini, F

机构：

[1] Natl Univ La Plata, Fac Ciencias Exactas, Dpto Fis, Inst Fis La Plata,CONICET, RA-1900 La Plata, Argentina

[2] Univ Catolica Norte, Dept Fis, Antofagasta, Chile

来源：

PHYSICA A-STATISTICAL MECHANICS AND ITS APPLICATIONS | 2006年 / 365卷 / 01期

关键词：

q-covariance; generalized information distance; information geometry;

D O I：

10.1016/j.physa.2006.01.034

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

An analysis of the thermodynamic behavior of quantum systems can be performed from a geometrical perspective investigating the structure of the state space. We have developed such an analysis for nonextensive thermostatistical frameworks, making use of the q-divergence derived from Tsallis' entropy. Generalized expressions for operator variance and covariance are considered, in terms of which the fundamental tensor is given. (c) 2006 Elsevier B.V. All rights reserved.

引用

页码：173 / 176

页数：4

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