On Parametric Resonance in Quantum Many-Body System: -- Collective Motion and Quantum Fluctuation around It in Coupled Lipkin Model -- | Zendy

Y. Tsue | Zendy; João da Providência | Zendy; A. Kuriyama | Zendy; M. Yamamura | Zendy

Open Access

On Parametric Resonance in Quantum Many-Body System: -- Collective Motion and Quantum Fluctuation around It in Coupled Lipkin Model --

Author(s) -

Y. Tsue,

João da Providência,

A. Kuriyama,

M. Yamamura

Publication year - 2006

Publication title -

progress of theoretical physics

Language(s) - English

Resource type - Journals

eISSN - 1347-4081

pISSN - 0033-068X

DOI - 10.1143/ptp.115.129

Subject(s) - physics , hamiltonian (control theory) , collective motion , parametric statistics , quantum , parametric oscillator , quantum mechanics , amplitude , classical mechanics , resonance (particle physics) , statistical physics , quantum electrodynamics , mathematical optimization , statistics , mathematics

The dynamics governed by a requantized collective Hamiltonian in the coupledLipkin model is investigated in the time-dependent variational approach withsqueezed state. It is pointed out that there is a possibility of the parametricresonance mechanism which leads to amplifying the amplitude of quantumfluctuation around the collective mode in this model.

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