{ "id": "0806.4207", "version": "v2", "published": "2008-06-25T22:21:13.000Z", "updated": "2008-12-02T22:08:35.000Z", "title": "Characterization of Collective Gaussian Attacks and Security of Coherent-State Quantum Cryptography", "authors": [ "Stefano Pirandola", "Samuel L. Braunstein", "Seth Lloyd" ], "comment": "4 pages, 1 figure + 1 Table, REVteX. More descriptive title", "journal": "Phys. Rev. Lett. 101, 200504 (2008)", "doi": "10.1103/PhysRevLett.101.200504", "categories": [ "quant-ph", "physics.optics" ], "abstract": "We provide a simple description of the most general collective Gaussian attack in continuous-variable quantum cryptography. In the scenario of such general attacks, we analyze the asymptotic secret-key rates which are achievable with coherent states, joint measurements of the quadratures and one-way classical communication.", "revisions": [ { "version": "v2", "updated": "2008-12-02T22:08:35.000Z" } ], "analyses": { "subjects": [ "03.67.Dd", "42.50.-p", "89.70.Cf" ], "keywords": [ "coherent-state quantum cryptography", "characterization", "general collective gaussian attack", "asymptotic secret-key rates", "continuous-variable quantum cryptography" ], "tags": [ "journal article" ], "publication": { "publisher": "APS", "journal": "Physical Review Letters", "year": 2008, "month": "Nov", "volume": 101, "number": 20, "pages": 200504 }, "note": { "typesetting": "RevTeX", "pages": 4, "language": "en", "license": "arXiv", "status": "editable", "adsabs": "2008PhRvL.101t0504P" } } }