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Title: Dynamics of entanglement in two-qubit open system interacting with a squeezed thermal bath via dissipative interaction
Authors: Banerjee, Subhashish
Ravishankar, V.
Srikanth, R.
Keywords: Entanglement dynamics
Dissipative system-bath interaction
Issue Date: Apr-2010
Publisher: Elsevier Inc
Citation: Annals of Physics, 2010, Vol. 325, p816
Abstract: We study the dynamics of entanglement in a two-qubit system interacting with a squeezed thermal bath via a dissipative system–reservoir interaction with the system and reservoir assumed to be in a separable initial state. The resulting entanglement is studied by making use of concurrence as well as a recently introduced measure of mixed state entanglement via a probability density function which gives a statistical and geometrical characterization of entanglement by exploring the entanglement content in the various subspaces spanning the two-qubit Hilbert space. We also make an application of the two-qubit dissipative dynamics to a simplified model of quantum repeaters.
Description: Restricted Access. An open-access version is available at (one of the alternative locations)
ISSN: 0003-4916
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Copyright: 2010 Elsevier Inc.
Appears in Collections:Research Papers (LAMP)

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