Sudden death and sudden birth of entanglement in common structured reservoirs

Laura Mazzola, Sabrina Maniscalco, Jyrki Piilo, Kalle-Antti Suominen, Barry M Garraway

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Abstract

We study the exact entanglement dynamics of two qubits in a common structured reservoir. We demonstrate that for certain classes of entangled states, entanglement sudden death occurs, while for certain initially factorized states, entanglement sudden birth takes place. The backaction of the non-Markovian reservoir is responsible for revivals of entanglement after sudden death has occurred, and also for periods of disentanglement following entanglement sudden birth.
Original languageEnglish
Article number042302
Number of pages4
JournalPhysical Review A
Volume79
Issue number4
DOIs
Publication statusPublished - 1 Apr 2009

Cite this

Mazzola, L., Maniscalco, S., Piilo, J., Suominen, K-A., & Garraway, B. M. (2009). Sudden death and sudden birth of entanglement in common structured reservoirs. Physical Review A, 79(4), [042302]. https://doi.org/10.1103/PhysRevA.79.042302