Mapping Wigner distribution functions into semiclassical distribution functions
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2000-05-01
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Bund, G. W. [UNESP]
Tijero, M. C.
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A mapping that relates the Wigner phase-space distribution function of a given stationary quantum mechani-cal wave function, a solution of the Schrödinger equation, to a specific solution of the Liouville equation, both subject to the same potential, is studied. By making this mapping, bound states are described by semiclassical distribution functions still depending on Planck's constant, whereas for elastic scattering of a particle by a potential they do not depend on it, the classical limit being reached in this case. Following this method, the mapped distributions of a particle bound in the Pöschl-Teller potential and also in a modified oscillator potential are obtained.
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Physical Review A - Atomic, Molecular, and Optical Physics, v. 61, n. 5, p. 521141-521148, 2000.