On Parametric Resonance in Quantum Many-Body System
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The dynamics governed by a requantized collective Hamiltonian in the coupled Lipkin model is investigated in the time-dependent variational approach with squeezed state. It is pointed out that there is a possibility of the parametric resonance mechanism which leads to amplifying the amplitude of quantum fluctuation around the collective mode in this model.
15 pages, using PTPTeX style
15 pages, using PTPTeX style