DYNAMICAL ASPECTS OF TSALLIS ENTROPY

被引:60
作者
PLASTINO, AR [1 ]
PLASTINO, A [1 ]
机构
[1] NATL UNIV LA PLATA,FAC CIENCIAS ASTRON & GEOFIS,RA-1900 LA PLATA,ARGENTINA
来源
PHYSICA A | 1994年 / 202卷 / 3-4期
关键词
D O I
10.1016/0378-4371(94)90470-7
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
The description of the temporal evolution of some physical systems is tackled from an information theory view-point in which Tsallis' entropy is extremalized with the constraints posed by the knowledge of the generalized expectation values of a selected set of observables. The concomitant Tsallis density operator is shown to be a particular solution of von Neumann's equation and Tsallis' entropy is seen to provide one with a constant of the motion. The pertinent ideas are illustrated with reference to the Larmor precession.
引用
收藏
页码:438 / 448
页数:11
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