ua nt - p h / 01 01 09 8 v 2 18 S ep 2 00 1 Quantum cryptography
نویسنده
چکیده
II A beautiful idea 2 A The intuition . . . . . . . . . . . . . . . 2 B Classical cryptography . . . . . . . . . 3 1 Asymmetrical (public-key) cryptosystems . . . . . . . . . . . . . . . 3 2 Symmetrical (secret-key) cryptosystems . . . . . . . . . . . . . . . . . 4 3 The one-time-pad as “classical teleportation” . . . . . . . . . . . . . . 5 C The example of the BB84 protocol . . . 5 1 Principle . . . . . . . . . . . . . . . 5 2 No cloning theorem . . . . . . . . . 6 3 Intercept-resend strategy . . . . . . 6 4 Error correction, privacy amplification and quantum secret growing . . 6 5 Advantage distillation . . . . . . . . 8 D Other protocols . . . . . . . . . . . . . 8 1 2-state protocol . . . . . . . . . . . 8 2 6-state protocol . . . . . . . . . . . 9 3 EPR protocol . . . . . . . . . . . . 9 4 Other variations . . . . . . . . . . . 10 E Quantum teleportation as “Quantum one-time-pad” . . . . . . . . . . . . . . 10 F Optical amplification, quantum nondemolition measurements and optimal quantum cloning . . . . . . . . . . . . . 10
منابع مشابه
ua nt - p h / 01 07 09 0 v 1 1 8 Ju l 2 00 1 QUANTUM MEASUREMENT , INFORMATION , AND COMPLETELY POSITIVE MAPS
Axiomatic approach to measurement theory is developed. All the possible statistical properties of apparatuses measuring an observable with nondegenerate spectrum allowed in standard quantum mechanics are characterized.
متن کاملua nt - p h / 01 01 01 8 v 1 4 J an 2 00 1 Entangled state based on nonorthogonal state
Properties of entangled states based on nonorthogonal states are clarified. Especially, it is shown that they can have complete degree of entanglement. PACS numbers: 03.65.Bz Typeset using REVTEX 1
متن کامل/ 01 01 09 8 v 2 18 S ep 2 00 1 Quantum cryptography
II A beautiful idea 2 A The intuition . . . . . . . . . . . . . . . 2 B Classical cryptography . . . . . . . . . 3 1 Asymmetrical (public-key) cryptosystems . . . . . . . . . . . . . . . 3 2 Symmetrical (secret-key) cryptosystems . . . . . . . . . . . . . . . . . 4 3 The one-time-pad as “classical teleportation” . . . . . . . . . . . . . . 5 C The example of the BB84 protocol . . . 5 1 Principl...
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تاریخ انتشار 2002