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Non-Markovian behavior of small and large complex quantum systems by Znidaric, Marko; Pineda, Carlos; Garcia-Mata, Ignacio is a scholarly article available to read on EtoBox.

What is Non-Markovian behavior of small and large complex quantum systems about?

The channel induced by a complex system interacting strongly with a qubit is calculated exactly under the assumption of randomness of its eigenvectors. The resulting channel is represented as an isotropic time dependent oscillation of the Bloch ball, leading to non-Markovian behavior, even in the limit of infinite environments. Two contributions are identified: one due to the density of states and the other due to correlations in the spectrum. Prototype examples, one for chaotic and the other for regular dynamics are explored.

Author

Znidaric, Marko; Pineda, Carlos; Garcia-Mata, Ignacio

Published

2011

Language

EN