Descripción causal de la dispersión potencial de Bargmann

MANUEL J. LOZANO

Resumen


IN APREVIOUS PAPER, WE HAVE STUDIED THE TIME DEPENDENT DESCRIPTION OF THE SCATTERING BY A GENERAL POTENTIAL, AND SHOWN THAT THE LAPLACE TRANSFORM OF THE TIME DEPENDENT GREEN FUNCTION OF THE PROBLEM SATISFIES DISPERSION RELATIONS. IN THIS PAPER WE OBTAIN THE EXPLICIT FORM OF THE TIME DEPENDENT GREEN FUNCTION FOR A POTENTIAL OF THE BARGMANN TYPE, AND DISCUSS THE RELATION BETWEEN THE TIME DPENDENT BEHAVOIR OF THE GREEN FUNCTION AND THE POSITION OF THE POLES AND ZEROS OF S(K) IN THE COMPLEX WAVE NUMBER PLANE.

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