{ "id": "1203.3356", "version": "v2", "published": "2012-03-15T13:38:50.000Z", "updated": "2015-10-19T06:11:57.000Z", "title": "Conditions for the freezing phenomena of geometric measure of quantum discord for arbitrary two-qubit X states under non-dissipative dephasing noises", "authors": [ "Wei Song", "Zhuo-Liang Cao" ], "comment": "4 pages, 2 figures", "journal": "Int. J. Theor. Phys. 53, 519 (2014)", "doi": "10.1007/s10773-013-1835-5", "categories": [ "quant-ph" ], "abstract": "We study the dynamics of geometric measure of quantum discord (GMQD) under the influences of two local phase damping noises. Consider the two qubits initially in arbitrary X-states, we find the necessary and sufficient conditions for which GMQD is unaffected for a finite period. It is further shown that such results also hold for the non-Markovian dephasing process.", "revisions": [ { "version": "v1", "updated": "2012-03-15T13:38:50.000Z", "abstract": "We study the dynamics of geometric measure of quantum discord (GMQD) under the influences of two local phase damping noises. Consider the two qubits initially in arbitrary X states, we find the necessary and sufficient conditions for which GMQD are unaffected for a finite period. It is further shown that such results also hold for the non-Markovian dephasing process.", "journal": null, "doi": null, "authors": [ "Wei Song", "Long-Bao Yu", "Da-Chuang Li", "Ping Dong", "Ming Yang", "Zhuo-Liang Cao" ] }, { "version": "v2", "updated": "2015-10-19T06:11:57.000Z" } ], "analyses": { "keywords": [ "geometric measure", "quantum discord", "non-dissipative dephasing noises", "arbitrary two-qubit", "freezing phenomena" ], "tags": [ "journal article" ], "publication": { "doi": "10.1007/s10773-013-1835-5", "journal": "International Journal of Theoretical Physics", "year": 2013, "month": "Sep", "pages": 456, "publisher": "Springer" }, "note": { "typesetting": "TeX", "pages": 4, "language": "en", "license": "arXiv", "status": "editable", "adsabs": "2013IJTP..tmp..456S" } } }