Thursday, June 13, 2013

1111.1709 (Chaitanya Joshi et al.)

Constructive role of dissipation for driven coupled bosonic modes    [PDF]

Chaitanya Joshi, Mats Jonson, Patrik Ohberg, Erika Andersson
We theoretically investigate a system of two coupled bosonic modes subject to both dissipation and external driving. We show that in the steady state the degree of entanglement between the coupled bosonic modes can be enhanced by dissipation. The non-monotonic dependence of entanglement on the decay rates is observed when the bosonic modes are asymmetrically coupled to their local baths. This counterintuitive result opens a new way to better understand the interplay between noise and coherence in continuous variable systems driven away from equilibrium.
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