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|Type:||Artigo de periódico|
|Title:||Failure of a proposed superluminal scheme|
|Abstract:||We consider a "superluminal quantum Morse telegraph", recently proposed by Garuccio, involving a polarization-correlated photon pair and a Michelson interferometer in which one of the mirrors is replaced by a phase-conjugating mirror (PCM). Superluminal information transfer in this scheme is precluded by the impossibility of distinguishing between unpolarized photons prepared by mixing linear polarization states or by mixing circular polarization states. (C) 1999 Elsevier Science B.V.|
|Editor:||Elsevier Science Bv|
|Appears in Collections:||Unicamp - Artigos e Outros Documentos|
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