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Non-adiabatic geometric phases and dephasing in an open quantum system

Abstract

We analyze the influence of a dissipative environment on geometric phases in a quantum system subject to non-adiabatic evolution. We find dissipative contributions to the acquired phase and modification of dephasing, considering the cases of both weak short-correlated noise and slow quasi-stationary noise. Motivated by recent experiments, we find the leading non-adiabatic corrections to the results, known for the adiabatic limit.

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Correspondence to A. E. Svetogorov.

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Svetogorov, A.E., Makhlin, Y. Non-adiabatic geometric phases and dephasing in an open quantum system. Jetp Lett. 103, 535–538 (2016). https://doi.org/10.1134/S0021364016080129

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  • DOI: https://doi.org/10.1134/S0021364016080129