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Type: Artigo de periódico
Title: Entanglement versus mixedness for coupled qubits under a phase damping channel
Author: Cardoso, ES
de Oliveira, MC
Furuya, K
Abstract: Quantification of entanglement against mixing is given for a system of coupled qubits under a phase damping channel. A family of pure initial joint states is defined, ranging from pure separable states to maximally entangled states. An ordering of entanglement measures is given for a well-defined initial-state amount of entanglement.
Country: EUA
Editor: American Physical Soc
Citation: Physical Review A. American Physical Soc, v. 72, n. 4, 2005.
Rights: aberto
Identifier DOI: 10.1103/PhysRevA.72.042320
Date Issue: 2005
Appears in Collections:Unicamp - Artigos e Outros Documentos

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