{ "id": "cond-mat/0110046", "version": "v1", "published": "2001-10-02T02:01:53.000Z", "updated": "2001-10-02T02:01:53.000Z", "title": "The additivity of the pseudo-additive conditional entropy for a proper Tsallis' entropic index", "authors": [ "T. Wada", "T. Saito" ], "comment": "LaTeX2e, elsart, 4 pages, no figure, contributed paper to the Proceedings of the International School and Workshop on Nonextensive Thermodynamics and physical applications, NEXT 2001, 23-30 May 2001, Cagliari (Italy) (Physica A)", "journal": "Physica A 301 (2001) 284-290", "categories": [ "cond-mat.stat-mech" ], "abstract": "For Tsallis' entropic analysis to the time evolutions of standard logistic map at the Feigenbaum critical point, it is known that there exists a unique value $q^*$ of the entropic index such that the asymptotic rate $K_q \\equiv \\lim_{t \\to \\infty} \\{S_q(t)-S_q(0)\\} / t$ of increase in $S_q(t)$ remains finite whereas $K_q$ vanishes (diverges) for $q > q^* (q < q^*)$. We show that in spite of the associated whole time evolution cannot be factorized into a product of independent sub-interval time evolutions, the pseudo-additive conditional entropy $S_q(t|0) \\equiv \\{S_q(t)-S_q(0)\\}/ \\{1+(1-q)S_q(0)\\}$ becomes additive when $q=q^*$. The connection between $K_{q^*}$ and the rate $K'_{q^*} \\equiv S_{q^*}(t | 0) / t$ of increase in the conditional entropy is discussed.", "revisions": [ { "version": "v1", "updated": "2001-10-02T02:01:53.000Z" } ], "analyses": { "keywords": [ "pseudo-additive conditional entropy", "entropic index", "proper tsallis", "independent sub-interval time evolutions", "additivity" ], "tags": [ "journal article" ], "note": { "typesetting": "LaTeX", "pages": 4, "language": "en", "license": "arXiv", "status": "editable" } } }