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- Title
Duality of quantum communication channels and a collective intercept-resend attack on quantum key distribution with differential phase shift.
- Authors
Kronberg, D.; Molotkov, S.
- Abstract
Quantum key distribution with differential phase shift is the least studied. A collective intercept-resend attack has been considered. Analysis of even this simplest attack is not simple. It has been shown that collective measurements with entangled states do not increase information of an eavesdropper as compared to individual measurements. This result is a consequence of the fundamental properties of quantum communication channels, which are attributed to the duality of quantum ensembles and measurements.
- Subjects
QUANTUM communication; DIFFERENTIAL phase shift keying; DUALITY (Nuclear physics); QUANTUM theory; QUANTUM entanglement
- Publication
JETP Letters, 2014, Vol 100, Issue 4, p279
- ISSN
0021-3640
- Publication type
Article
- DOI
10.1134/S0021364014160097