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On one asymptotic property of time-shift quantum cryptography

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Abstract

One of the basic results of classical information theory is that error-free information transmission is possible even through an imperfect binary communication channel with noise up to an error of Q c = 1/2. There is a fundamental and applied question of whether quantum-mechanical constraints can ensure error-free classical-information transmission with quantum states and, moreover, guarantee the security of distributed keys up to the theoretical limit in the error Q c. It has been shown that the secure key distribution is possible up to the error Q c in the asymptotic limit of a large number of bases.

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Authors and Affiliations

  1. Institute of Solid State Physics, Russian Academy of Sciences, Chernogolovka, Moscow region, 142432, Russia

    S. N. Molotkov

  2. Academy of Cryptography of the Russian Federation, Moscow, 121552, Russia

    S. N. Molotkov

  3. Faculty of Computational Mathematics and Cybernetics, Moscow State University, Moscow, 119992, Russia

    S. N. Molotkov

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  1. S. N. Molotkov
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Original Russian Text © S.N. Molotkov, 2009, published in Pis’ma v Zhurnal Éksperimental’noĭ i Teoreticheskoĭ Fiziki, 2009, Vol. 90, No. 7, pp. 597–603.

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Molotkov, S.N. On one asymptotic property of time-shift quantum cryptography. Jetp Lett. 90, 548–554 (2009). https://doi.org/10.1134/S0021364009190114

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  • DOI: https://doi.org/10.1134/S0021364009190114

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