Interplay between entanglement and entropy in two-qubit systems

Laura Mazzola, Sabrina Maniscalco, Jyrki Piilo, Kalle-Antti Suominen

Research output: Contribution to journalArticle

17 Citations (Scopus)

Abstract

We study the exact entanglement dynamics of two qubits interacting with a common zero-temperature non-Markovian reservoir. We consider the two qubits initially prepared in Bell-like states or extended Werner-like states. We study the dependence of the entanglement dynamics on both the degree of purity and the amount of entanglement of the initial state. We also explore the relation between the entanglement and the von Neumann entropy dynamics and find that these two quantities are correlated for initial Bell-like states.
Original languageEnglish
Article number085505
Number of pages10
JournalJournal of Physics B: Atomic and Molecular Physics
Volume43
Issue number8
DOIs
Publication statusPublished - 28 Apr 2010

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