Two-qubit entanglement dynamics for two different non-Markovian environments

Details Two-qubit entanglement dynamics for two different non-Markovian environments Two-qubit entanglement dynamics for two different non-Markovian environments

2009-09-30

arxiv.org/abs/0910.0050v1

Phys. Scr. T 140 (2010) 014014

Physics

Quantum Physics

8 pages, 2 figures

Scientific paper

10.1088/0031-8949/2010/T140/0140

We study the time behavior of entanglement between two noninteracting qubits each immersed in its own environment for two different non-Markovian conditions: a high-$Q$ cavity slightly off-resonant with the qubit transition frequency and a nonperfect photonic band-gap, respectively. We find that revivals and retardation of entanglement loss may occur by adjusting the cavity-qubit detuning, in the first case, while partial entanglement trapping occurs in non-ideal photonic-band gap.

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