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nlin.CD2003
A random matrix formulation of fidelity decay
T. Gorin, T. Prosen, T. H. Seligman
We propose to study echo dynamics in a random matrix framework, where we assume that the perturbation is time independent, random and orthogonally invariant. This allows to use a b…
nlin.CD2003
Faster than Lyapunov decays of classical Loshcmidt echo
Gregor Veble, Tomaz Prosen
We show that in the classical interaction picture the echo-dynamics, namely the composition of perturbed forward and unperturbed backward hamiltonian evolution, can be treated as a…