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Regular version of the site

Article

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

JETP Letters. 2016. Vol. 103. No. 8. P. 535-538.
Svetogorov A., Makhlin Y.

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 weak short-correlated noise as well as of slow quasi-stationary noise. Motivated by recent experiments, we find the leading non-adiabatic corrections to the results, known for the adiabatic limit.