Induced entanglement revival and entanglement protection in a two qubit system

R. Rossi

Physica A: Statistical Mechanics and its Applications, 2013, vol. 392, issue 10, 2615-2622

Abstract: A system of two initially entangled qubits interacting with a bosonic environment is considered. The interaction induces a loss of the initial entanglement of the two qubits, and for specific initial states it causes entanglement sudden death. An investigation of the modifications on the entanglement dynamics by a single pulse control field, performed in the two qubit system, shows that the control field can not only protect entangled states against sudden death but also induce a revival of entanglement in the two qubit system.

Keywords: Entanglement protection; Quantum information; Entanglement dynamics (search for similar items in EconPapers)
Date: 2013
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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:392:y:2013:i:10:p:2615-2622

DOI: 10.1016/j.physa.2013.01.057

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