4.2 Article

Robust entanglement preserving by detuning in non-Markovian regime

Publisher

IOP Publishing Ltd
DOI: 10.1088/0953-4075/42/23/235502

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Funding

  1. National Natural Science Foundation of China [10374025]
  2. Natural Science Foundation of Hunan Province [07JJ3013]
  3. Education Ministry of Hunan Province [06A038]

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The exact entanglement dynamics of two qubits in two independent structured reservoirs or in a common structured reservoir with non-resonant interactions has been investigated. The results show that both in the two cases, the robust entanglement preservation could be realized when the non-Markovian and the detuning conditions are satisfied simultaneously. Finally, we give a physical interpretation of this phenomenon via quasimode Hamiltonian.

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