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nlin.CD2000★ 1 cited
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…
nlin.CD2000★ 78 cited
Exact time-correlation functions of quantum Ising chain in a kicking transversal magnetic field
Tomaz Prosen
Spectral analysis of the {\em adjoint} propagator in a suitable Hilbert space (and Lie algebra) of quantum observables in Heisenberg picture is discussed as an alternative approach…
nlin.CD2000★ 7 cited
Random-Matrix Ensembles for Semi-Separable Systems
Tomaz Prosen, Thomas H. Seligman, Hans A. Weidenmueller
Many models for chaotic systems consist of joining two integrable systems with incompatible constants of motion. The quantum counterparts of such models have a propagator which fac…