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Anomalous slow fidelity decay for symmetry breaking perturbations
T. Gorin, H. Kohler, T. Prosen +3
Symmetries as well as other special conditions can cause anomalous slowing down of fidelity decay. These situations will be characterized, and a family of random matrix models to e…
Stability of quantum motion and correlation decay
Tomaz Prosen, Marko Znidaric
We derive a simple and general relation between the fidelity of quantum motion, characterizing the stability of quantum dynamics with respect to arbitrary static perturbation of th…
Anomalous diffusion and dynamical localization in a parabolic map
Tomaz Prosen, Marko Znidaric
We study numerically classical and quantum dynamics of a piecewise parabolic area preserving map on a cylinder which emerges from the bounce map of elongated triangular billiards.…
Many-body symbolic dynamics of a classical oscillator chain
Marko Znidaric, Tomaz Prosen
We study a certain type of the celebrated Fermi-Pasta-Ulam particle chain, namely the inverted FPU model, where the inter-particle potential has a form of a quartic double well. Nu…