Long-time memory in non-Markovian evolutions

Details Long-time memory in non-Markovian evolutions Long-time memory in non-Markovian evolutions

2009-06-28

arxiv.org/abs/0906.5122v2

Physical Review A 81 (2010) 032101

Physics

Quantum Physics

6 pages

Scientific paper

10.1103/PhysRevA.81.032101

If the dynamics of an open quantum systems is non-Markovian, its {asymptotic} state strongly depends on the initial conditions, even if the dynamics possesses an {invariant} state. This is the very essence of memory effects. In particular, the {asymptotic} state can remember and partially preserve its initial entanglement. Interestingly, even if the non-Markovian evolution relaxes to an equilibrium state, this state needs not be invariant. Therefore, the non-invariance of equilibrium becomes a clear sign of non-Markovianity.

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