{ "id": "0912.4363", "version": "v1", "published": "2009-12-22T10:52:48.000Z", "updated": "2009-12-22T10:52:48.000Z", "title": "Four-tangle for pure states", "authors": [ "S. Shelly Sharma", "N. K. Sharma" ], "comment": "5 pages, No figures", "journal": "Phys. Rev. A 82, 012340 (2010)", "doi": "10.1103/PhysRevA.82.012340", "categories": [ "quant-ph" ], "abstract": "An expression for four-tangle is obtained by examining the negativity fonts present in a four-way partial transpose under local unitary operations. An alternate derivation of three tangle is also given.", "revisions": [ { "version": "v1", "updated": "2009-12-22T10:52:48.000Z" } ], "analyses": { "subjects": [ "03.67.Mn", "03.65.Ud" ], "keywords": [ "pure states", "four-tangle", "local unitary operations", "four-way partial transpose", "negativity fonts" ], "tags": [ "journal article" ], "publication": { "publisher": "APS", "journal": "Physical Review A", "year": 2010, "month": "Jul", "volume": 82, "number": 1, "pages": "012340" }, "note": { "typesetting": "TeX", "pages": 5, "language": "en", "license": "arXiv", "status": "editable", "adsabs": "2010PhRvA..82a2340S" } } }