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Open Quantum Systems Decoherence

Secular vs. Non-secular Redfield Dynamics and Fano Coherences in Incoherent Excitation: An Experimental Proposal

arXiv
Authors: Amro Dodin, Timur Tscherbul, Robert Alicki, Amar Vutha, Paul Brumer

Year

2017

Paper ID

24869

Status

Preprint

Abstract Read

~2 min

Abstract Words

96

Citations

N/A

Abstract

Two different Master Equation approaches have been formally derived to address the dynamics of open quantum systems interacting with a thermal environment (such as sunlight). They have led to two different physical results: non-secular equations that show noise-induced (Fano) coherences and secular equations that do not. An experimental test for the appearance of non-secular terms is proposed using Ca atoms in magnetic fields excited by broadband incoherent radiation. Significantly different patterns of fluorescence are predicted, allowing for a clear test for the validity of the secular and non-secular approach and for the observation of Fano coherences.

Why This Paper Matters

  • This paper contributes to the Open Quantum Systems & Decoherence research area in the Quantum Articles archive.
  • It adds a 2017 reference point for readers tracking recent quantum research.
  • Two different Master Equation approaches have been formally derived to address the dynamics of open quantum systems interacting with a thermal environment (such as sunlight).

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References & Citation Signals

[1] DOI https://doi.org/arXiv:1711.10074 [2] arXiv https://arxiv.org/abs/1711.10074 [3] Publisher https://arxiv.org/abs/1711.10074

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