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Type: Artigo de periódico
Title: System-reservoir dynamics of quantum and classical correlations
Author: Maziero, J
Werlang, T
Fanchini, FF
Celeri, LC
Serra, RM
Abstract: We examine the system-reservoir dynamics of classical and quantum correlations in the decoherence phenomenon within a two-qubit composite system interacting with two independent environments. The most common noise channels (amplitude damping, phase damping, bit flip, bit-phase flip, and phase flip) are analyzed. By analytical and numerical analyses we find that, contrary to what is usually stated in the literature, decoherence may occur without entanglement between the system and the environment. We also show that, in some cases, the bipartite quantum correlation initially present in the system is completely evaporated and not transferred to the environments.
Country: EUA
Editor: Amer Physical Soc
Citation: Physical Review A. Amer Physical Soc, v. 81, n. 2, 2010.
Rights: aberto
Identifier DOI: 10.1103/PhysRevA.81.022116
Date Issue: 2010
Appears in Collections:Unicamp - Artigos e Outros Documentos

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