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Quantum Irreversibility of Energy Spreading

Tsampikos Kottos·Doron Cohen
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Abstract

The analysis of dissipation and dephasing in driven mesoscopic devices requires a distinction between two notions of quantum irreversibility. One ("Loschmidt echo") is related to "time reversal", while the other is related to "driving reversal". In the latter context the time of maximum return (compensation) should substitute the inappropriate notion of "echo" time. Non-perturbative features manifest themselves in the energy spreading process. This is demonstrated for the prototype random-matrix Wigner model, where the compensation time and the system response exhibit a non-universal scaling behavior.

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Tsampikos Kottos, Doron Cohen. 2003-02-11. Quantum Irreversibility of Energy Spreading. https://doi.org/10.1209/epl%2Fi2003-00325-6

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