{ "id": "quant-ph/0003024", "version": "v1", "published": "2000-03-07T12:24:22.000Z", "updated": "2000-03-07T12:24:22.000Z", "title": "Factoring the unitary evolution operator and quantifying entanglement", "authors": [ "X. X. Yi", "C. P. Sun" ], "comment": "11 pages, LATEX, no figures", "journal": "Phys. Lett. A, 262(1999)287", "doi": "10.1016/S0375-9601(99)00609-X", "categories": [ "quant-ph" ], "abstract": "The unitary evolution can be represented by a finite product of exponential operators. It leads to a perturbative expression of the density operator of a close system. Based on the perturbative expression scheme, we present a entanglement measure, this measure has the advantage that it is easy to compute for a general dynamical process.", "revisions": [ { "version": "v1", "updated": "2000-03-07T12:24:22.000Z" } ], "analyses": { "keywords": [ "unitary evolution operator", "quantifying entanglement", "general dynamical process", "finite product", "entanglement measure" ], "tags": [ "journal article" ], "note": { "typesetting": "LaTeX", "pages": 11, "language": "en", "license": "arXiv", "status": "editable" } } }