Evolution from entanglement to decoherence of bipartite mixed "X" states

Ting Yu, J. H. Eberly

Research output: Contribution to journalArticlepeer-review

433 Scopus citations

Abstract

We examine a class of bipartite mixed states which we call X states and report several analytic results related to the occurrence of early-stage decoherence or so-called entanglement sudden death (ESD) under time evolution in the presence of common types of environmental noise. Avoidance of sudden death by application of purely local operations is shown to be feasible in some cases.

Original languageEnglish
Pages (from-to)459-468
Number of pages10
JournalQuantum Information and Computation
Volume7
Issue number5-6
StatePublished - Jul 2007

Keywords

  • Decoherence
  • Entanglement
  • Mixed states

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