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Open Quantum Systems Decoherence

Anomalous Decay and Decoherence in Atomic Gases

arXiv

Authors: A. Tsabary, O. Kenneth, J. E. Avron

Year

2017

Paper ID

24844

Status

Preprint

Abstract Read

~2 min

Abstract Words

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N/A

Abstract

Pair collisions in atomic gases lead to decoherence and decay. Assuming that all the atoms in the gas are equally likely to collide one is led to consider Lindbladian of mean field type where the evolution in the limit of many atoms reduces to a single qudit Lindbladian with quadratic non-linearity. We describe three smoking guns for non-linear evolutions: Power law decay and dephasing rates; Dephasing rates that take a continuous range of values depending on the initial data and finally, anomalous flow of the Bloch ball towards a hemisphere.

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This paper contributes to the Open Quantum Systems & Decoherence research area in the Quantum Articles archive.
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Pair collisions in atomic gases lead to decoherence and decay.

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References & Citation Signals

[1] DOI https://doi.org/arXiv:1711.10417 [2] arXiv https://arxiv.org/abs/1711.10417 [3] Publisher https://arxiv.org/abs/1711.10417

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