Environment Induced Entanglement in Markovian Dissipative Dynamics
Aug 13, 2003Published in:
- Phys.Rev.Lett. 91 (2003) 7, 070402
- Published: Aug 13, 2003
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Abstract: (APS)
We show that two, noninteracting two-level systems, immersed in a common bath, can become mutually entangled when evolving according to a Markovian, completely positive reduced dynamics.References(28)
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- Physically speaking, this is not really a limiting choice. As already observed, the coefficients Hij(12) in (5) depend on bath correlation functions Gαβ(t)=Tr[ρBVα(t)Vβ(0)] for which α=1,2,3 and β=4,5,6. Then, one easily checks that in the singular coupling limit derivation [8] of the master Eq. (3), the contribution H(12) vanishes for the physically relevant case of time-symmetric bath correlations. Instead, in the weak-coupling limit [7], a real Gαβ(t) would suffice to assure the condition H(12)= 0
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