Influence of detector motion on discrimination between photon polarizations

Details Influence of detector motion on discrimination between photon polarizations Influence of detector motion on discrimination between photon polarizations

Publishing date

2012-04-26

URL

arxiv.org/abs/1204.5890v1

Science

Physics

Field

Quantum Physics

Additional info

12 pages, 5 figures, accepted by Quantum Information Processing

Type

Scientific paper

Digital Object Identifier

10.1007/s11128-012-0416-5

Abstract

We investigate the discrimination between photon polarizations when measured by moving detectors. Both unambiguous and minimum-error discriminations are considered, and we analyze the the optimal successful (correct) probability as a function of the apparatus' velocity. The Holevo bound for polarization discrimination is also discussed and explicit calculation shows that the Holevo bound and the optimal successful (correct) probability for unambiguous (minimum-error) discrimination simultaneously increase or decrease.

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