Motion of the wave-function zeros in spin-boson systems

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Title: Motion of the wave-function zeros in spin-boson systems
Author: Ellinas, Demosthenes; Kovanis, Vassilios
Abstract: In the analytic Bargmann representation associated with the harmonic oscillator and spin coherent states, the wave functions considered as consisting of entire complex functions can be factorized in terms of their zeros in a unique way. The Schrödinger equation of motion for the wave function is turned to a system of equations for the zeros of the wave function. The motion of these zeros as a nonlinear flow of points is studied and interpreted for linear and nonlinear bosonic and spin Hamiltonians. Attention is given to the study of the zeros of the Jaynes-Cummings model and to its finite analog. Numerical solutions are derived and discussed.
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Date: 1995-05

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