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nlin.CD2022
Finite-time Lyapunov fluctuations and the upper bound of classical and quantum out-of-time-ordered expansion rate exponents
Miguel A P Reynoso, Guilherme J Delben, Martin Schlesinger +1
This Letter demonstrates for chaotic maps (logistic, classical and quantum standard maps (SMs)) that the exponential growth rate () of the out-of-time-ordered four-point correla…
nlin.CD2015★ 27 cited
Quantum-classical transition and quantum activation of ratchet currents in the parameter space
M. W. Beims, M. Schlesinger, C. Manchein +3
The quantum ratchet current is studied in the parameter space of the dissipative kicked rotor model coupled to a zero temperature quantum environment. We show that vacuum fluctuati…