S. N. Molotkov, “Quantum key distribution without the transfer of a quantum state as a whole through a communication channel”, Pis'ma v Zh. Èksper. Teoret. Fiz., 2011, Volume 93, Issue 6,Pages <nobr>389

QUANTUM INFORMATION SCIENCE

Quantum key distribution without the transfer of a quantum state as a whole through a communication channel

S. N. Molotkov^abc

^a M. V. Lomonosov Moscow State University, Faculty of Computational Mathematics and Cybernetics
^b Institute of Solid State Physics, Russian Academy of Sciences
^c Academy of Criptography of Russia

Abstract: An example of quantum key distribution on an entangled single photon and in vacuum states is given. In this scheme, the single-photon quantum state is never transferred as a whole through a communication channel.

Received: 01.02.2011