{ "id": "math-ph/9910036", "version": "v2", "published": "1999-10-22T18:47:16.000Z", "updated": "1999-10-27T14:40:25.000Z", "title": "The analytic quantum information manifold", "authors": [ "R. F. Streater" ], "comment": "12 pages LATEX; to appear in \"Stochastic processes, physics and geometry: new interplays\"; eds. F. Gesztesy, S. Paycha and H. Holden. Canad. Math. Soc. In this replacement, I have made clear that it is the partition function that possesses a convergent power series with the given radius of convergence. The free-energy is real analytic only in an unspecified hood of the real axis", "categories": [ "math-ph", "math.FA", "math.MP" ], "abstract": "Let H be a self-adjoint operator such that exp(-aH) is of trace class for some a<1. Let V be a symmetric operator, Kato bounded relative to H. We show that log Tr[exp(-H+xV)] is a real analytic function of x in a hood of x=0. We show that the Gibbs states of H+xV form a real analytic Banach manifold. This work has been extended in math-ph/9910031.", "revisions": [ { "version": "v2", "updated": "1999-10-27T14:40:25.000Z" } ], "analyses": { "subjects": [ "58B20", "53C80" ], "keywords": [ "analytic quantum information manifold", "real analytic banach manifold", "real analytic function", "trace class", "gibbs states" ], "note": { "typesetting": "LaTeX", "pages": 12, "language": "en", "license": "arXiv", "status": "editable", "adsabs": "1999math.ph..10036S" } } }