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Type: Artigo de periódico
Title: Complete State Reconstruction Of A Two-mode Gaussian State Via Local Operations And Classical Communication
Author: Rigolin G.
De Oliveira M.C.
Abstract: We propose a strictly local protocol that is completely equivalent to global quantum state reconstruction for a bipartite system. We show that the joint density matrix of an arbitrary two-mode Gaussian state, entangled or not, is obtained via local operations and classical communication only. In contrast to previous proposals, simultaneous homodyne measurements on both modes are replaced with local homodyne detections and a set of local projective measurements. © 2009 The American Physical Society.
Rights: aberto
Identifier DOI: 10.1103/PhysRevA.79.030302
Date Issue: 2009
Appears in Collections:Unicamp - Artigos e Outros Documentos

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