{ "id": "quant-ph/9702015", "version": "v1", "published": "1997-02-06T00:00:21.000Z", "updated": "1997-02-06T00:00:21.000Z", "title": "Optimal Eavesdropping in Quantum Cryptography. II. Quantum Circuit", "authors": [ "Robert B. Griffiths", "Chi-Sheng Niu" ], "comment": "7 pages, 1 figure, Latex, the second part of quant-ph/9701039", "doi": "10.1103/PhysRevA.56.1173", "categories": [ "quant-ph" ], "abstract": "It is shown that the optimum strategy of the eavesdropper, as described in the preceding paper, can be expressed in terms of a quantum circuit in a way which makes it obvious why certain parameters take on particular values, and why obtaining information in one basis gives rise to noise in the conjugate basis.", "revisions": [ { "version": "v1", "updated": "1997-02-06T00:00:21.000Z" } ], "analyses": { "keywords": [ "quantum circuit", "quantum cryptography", "optimal eavesdropping", "conjugate basis", "optimum strategy" ], "tags": [ "journal article" ], "publication": { "publisher": "APS", "journal": "Phys. Rev. A" }, "note": { "typesetting": "LaTeX", "pages": 7, "language": "en", "license": "arXiv", "status": "editable", "inspire": 440158 } } }