Reversibility of dynamics and multiple-quantum coherences

Published 28 Dec 2014 in quant-ph, cond-mat.stat-mech, and math.DS | (1412.8199v1)

Abstract: In spin systems, the decay of the Loschmidt echo in the time-reversal experiment (evolution, perturbation, time-reversed evolution) is linked to the generation of multiple-quantum coherences. The approach is extended to other systems, and the general problem of reversibility of quantum dynamics is analyzed.

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Authors (1)

A. K. Khitrin

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