Non-Markovianity degree for random unitary evolution
Dariusz Chru\'sci\'nski, Filip A. Wudarski
TL;DR
This paper investigates the non-Markovianity degree in random unitary quantum evolutions, linking it to local decoherence rates and providing conditions for when information backflow ceases.
Contribution
It introduces a characterization of non-Markovianity degree via local decoherence rates and derives a sufficient condition for the absence of information backflow in quantum systems.
Findings
Non-Markovianity degree is characterized by local decoherence rates.
A sufficient condition for vanishing information backflow is derived.
The analysis applies to d-level quantum systems.
Abstract
We analyze the non-Markovianity degree for random unitary evolution of d-level quantum systems. It is shown how non-Markovianity degree is characterized in terms of local decoherence rates. In particular we derive a sufficient condition for vanishing of the back ow of information.
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