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Quantum Information and Computation     ISSN: 1533-7146      published since 2001
Vol.16 No.11&12  September 2016

The entangling power of a glocal dissipative map (pp0969-0981)
          
Alireza Nourmandipour, M.K. Tavassoly, and Stefano Mancini
         
doi: https://doi.org/10.26421/QIC16.11-12-3

Abstracts: We consider a model of two qubits dissipating into both local and global environments (generally at non-zero temperatures), with the possibility of interpolating between purely local dissipation and purely global one. The corresponding dissipative dynamical map is characterized in terms of its Kraus operators focusing on the stationary regime. We then determine conditions under which entanglement can be induced by the action of such a map. It results (rather counterintuitively) that in order to have entanglement in the presence of local environment, this latter must be at nonzero temperature.
Key words:
Open quantum systems, Entanglement measures

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