Completely Positive Divisibility Does Not Mean Markovianity
Abstract
In the classical domain, it is well-known that divisibility does not imply that a stochastic process is Markovian. However, for quantum processes, divisibility is often considered to be synonymous with Markovianity. We show that completely positive (CP) divisible quantum processes can still involve non-Markovian temporal correlations, that we then fully classify using the recently developed process tensor formalism, which generalizes the theory...
Paper Details
Title
Completely Positive Divisibility Does Not Mean Markovianity
Published Date
Jul 22, 2019
Journal
Volume
123
Issue
4
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