{ "id": "quant-ph/0001066", "version": "v3", "published": "2000-01-18T14:38:34.000Z", "updated": "2005-11-20T12:21:01.000Z", "title": "Efficient factorization with a single pure qubit and $log N$ mixed qubits", "authors": [ "S. Parker", "M. B. Plenio" ], "comment": "5 pages including 2 figures. Final version submitted to PRL. Now includes additional comments on entanglement and mixedness as algorithm proceeds. Added references to work by Mosca", "journal": "Phys. Rev. Lett. 85, 3049 (2000)", "doi": "10.1103/PhysRevLett.85.3049", "categories": [ "quant-ph" ], "abstract": "It is commonly assumed that Shor's quantum algorithm for the efficient factorization of a large number $N$ requires a pure initial state. Here we demonstrate that a single pure qubit together with a collection of $log_2 N$ qubits in an arbitrary mixed state is sufficient to implement Shor's factorization algorithm efficiently.", "revisions": [ { "version": "v3", "updated": "2005-11-20T12:21:01.000Z" } ], "analyses": { "keywords": [ "single pure qubit", "efficient factorization", "mixed qubits", "shors quantum algorithm", "implement shors factorization algorithm" ], "tags": [ "journal article" ], "publication": { "publisher": "APS", "journal": "Phys. Rev. Lett." }, "note": { "typesetting": "TeX", "pages": 5, "language": "en", "license": "arXiv", "status": "editable" } } }