Budini, Adrián A. and Schomerus, Henning (2005) Non-Markovian master equations from entanglement with stationary unobserved degrees of freedom. Journal of Physics -London- a Mathematical and General, 38 (42). pp. 9251-9262. ISSN 0305-4470Full text not available from this repository.
We deduce a class of non-Markovian completely positive master equations which describe a system in a composite bipartite environment, consisting of a Markovian reservoir and additional stationary unobserved degrees of freedom that modulate the dissipative coupling. The entanglement-induced memory effects can persist for arbitrary long times and affect the relaxation to equilibrium, as well as induce corrections to the quantum-regression theorem. By considering the extra degrees of freedom as a discrete manifold of energy levels, strong non-exponential behaviour can arise, such as for example power law and stretched exponential decays.
|Journal or Publication Title:||Journal of Physics -London- a Mathematical and General|
|Additional Information:||The final, definitive version of this article has been published in the Journal, Journal of Physics A 38 (42), 2005, © Institute of Physics|
|Subjects:||Q Science > QC Physics|
|Departments:||Faculty of Science and Technology > Physics|
|Deposited By:||Dr Henning Schomerus|
|Deposited On:||16 Oct 2007|
|Last Modified:||07 Jan 2015 16:01|
Actions (login required)