Entanglement criteria and nonlocality for multimode continuous-variable systems
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We demonstrate how to efficiently derive a broad class of inequalities for entanglement detection in multimode continuous variable systems. The separability conditions are established from partial transposition (PT) in combination with several distinct necessary conditions for a quantum physical state, which include previously established inequalities as special cases. Remarkably, our method enables us to support Peres' conjecture to its full generality within the framework of Cavalcanti-Foster-Reid-Drummond multipartite Bell inequality that the nonlocality necessarily implies negative PT entangled states. 2009 The American Physical Society.
author list (cited authors)
Sun, Q., Nha, H., & Zubairy, M. S.
complete list of authors
Sun, Qingqing||Nha, Hyunchul||Zubairy, M Suhail