2003/10/03 by Qiuping A. Wang, Wang, Qiuping A.
Economics, Econometrics and Finance · Mathematics · Physics and Astronomy · #Advanced Statistical Methods and Models #Complex Systems and Time Series Analysis #FOS: Physical sciences #Fractional Differential Equations Solutions #Statistical Mechanics (cond-mat.stat-mech) #Statistical Mechanics and Entropy #cond-mat.stat-mech
paper · pdf · doi:10.48550/arxiv.cond-mat/0310056
version 2, LaTeX file, 12 pages, no figure
openalex publication_date 2003/10/03 · arxiv created 2004/04/28 · arxiv updated 2009/12/01 · openalex created_date 2025/10/10 · openalex updated_date 2026/07/28
The nonextensive statistics based on Tsallis entropy have been so far used for the systems composed of subsystems having same q. The applicability of this statistics to the systems with different q's is still a matter of investigation. The actual difficulty is that the class of systems to which the theory has been applied is limited by the usual nonadditivity rule of Tsallis entropy which, in reality, has been established for the systems having same q value. In this paper, we propose a more general nonadditivity rule for Tsallis entropy. This rule, as the usual one for same q-systems, can be proved to lead uniquely to Tsallis entropy in the context of systems containing different q-subsystems. A zeroth law of thermodynamics is established between different q-systems on the basis of this new nonadditivity.