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Wavefunctions of a prolate spheroid and multiplexing in relativistic quantum cryptography on orthogonal states

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Abstract

Relativistic quantum cryptography involves not only the geometric properties of the state vectors of a quantum system in the Hilbert space but also the properties of carriers of quantum states in the Minkowski spacetime. A physical type of quantum object carrying information with extremely high velocity in spacetime is of fundamental importance. The structure of spacetime, more precisely, irreducible representations of the Poincaré group, in the Hilbert space is responsible for the existence of massless particles, photons. In this sense, the structure of spacetime is in fact used in relativistic quantum cryptography systems for cryptographic key distribution. This makes it possible to guarantee the security of keys even with the use of orthogonal states.

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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, 119991, Russia

    S. N. Molotkov

  4. Faculty of Information Technologies and Computer Engineering, National Research University Higher School of Economics, ul. Myasnitskaya 20, Moscow, 101000, Russia

    T. A. Potapova

Authors
  1. S. N. Molotkov
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  2. T. A. Potapova
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Correspondence to S. N. Molotkov.

Additional information

Original Russian Text © S.N. Molotkov, T.A. Potapova, 2014, published in Pis’ma v Zhurnal Eksperimental’noi i Teoreticheskoi Fiziki, 2014, Vol. 100, No. 9, pp. 674–682.

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Molotkov, S.N., Potapova, T.A. Wavefunctions of a prolate spheroid and multiplexing in relativistic quantum cryptography on orthogonal states. Jetp Lett. 100, 596–603 (2015). https://doi.org/10.1134/S0021364014210115

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  • DOI: https://doi.org/10.1134/S0021364014210115

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