Detecting non-Markovianity of quantum evolution via spectra of dynamical maps
arXiv:1607.02256 · doi:10.1103/PhysRevLett.118.080404
Abstract
We provide an analysis on non-Markovian quantum evolution based on the spectral properties of dynamical maps. We introduce the dynamical analog of entanglement witness to detect non-Markovianity and we illustrate its behaviour with several instructive examples. It is shown that for a certain class of dynamical maps the shape of the body of accessible states provides a simple non-Markovianity witness.
arXiv comment5 pages
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