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Ghost imaging without discord.


ABSTRACT: Ragy and Adesso argue that quantum discord is involved in the formation of a pseudothermal ghost image. We show that quantum discord plays no role in spatial light modulator ghost imaging, i.e., ghost-image formation based on structured illumination realized with laser light that has undergone spatial light modulation by the output from a pseudorandom number generator. Our analysis thus casts doubt on the degree to which quantum discord is necessary for ghost imaging.

SUBMITTER: Shapiro JH 

PROVIDER: S-EPMC3654484 | biostudies-other | 2013

REPOSITORIES: biostudies-other

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