{ "id": "quant-ph/0405052", "version": "v2", "published": "2004-05-11T16:28:13.000Z", "updated": "2004-08-25T23:47:38.000Z", "title": "Geometric phase distributions for open quantum systems", "authors": [ "K. -P. Marzlin", "S. Ghose", "B. C. Sanders" ], "comment": "Some minor revisions, references updated", "journal": "Phys. Rev. Lett. 93, p. 260402 (2004)", "doi": "10.1103/PhysRevLett.93.260402", "categories": [ "quant-ph" ], "abstract": "In an open system, the geometric phase should be described by a distribution. We show that a geometric phase distribution for open system dynamics is in general ambiguous, but the imposition of reasonable physical constraints on the environment and its coupling with the system yields a unique geometric phase distribution that applies even for mixed states, non-unitary dynamics, and non-cyclic evolutions.", "revisions": [ { "version": "v2", "updated": "2004-08-25T23:47:38.000Z" } ], "analyses": { "keywords": [ "open quantum systems", "unique geometric phase distribution", "open system dynamics", "non-cyclic evolutions", "non-unitary dynamics" ], "tags": [ "journal article" ], "publication": { "publisher": "APS", "journal": "Phys. Rev. Lett." }, "note": { "typesetting": "TeX", "pages": 0, "language": "en", "license": "arXiv", "status": "editable" } } }