Titlebook: Classical, Semiclassical and Quantum Dynamics in Atoms; Harald Friedrich,Bruno Eckhardt Conference proceedings 1997 Springer-Verlag Berlin

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Tunneling and the semiclassical propagator: A new perspective,relate the issue of tunneling in the energy representation to flow across the barrier in real time. We find that time domain trajectories which have energies above the barrier do not correctly account for (energy domain) tunneling below the barrier when the time-energy Fourier transform is done exac

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Spectral statistics of chaotic and disordered systems,percubic billiard with small hyperspheres placed at random positions in its interior. The deviations from the random matrix theory universal behavior are described in detail. These are characterized by the spectrum of the Perron-Frobenius operator associated with relaxational dynamics in the corresp

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