Programs in Physics & Physical Chemistry
|[Licence| Download | New Version Template] ache_v1_0.gz(19 Kbytes)|
|Manuscript Title: Calculating bound and resonant states in local and nonlocal Coulomb- like potentials.|
|Authors: Z. Papp|
|Program title: CSPE_BOUND_RESONANT|
|Catalogue identifier: ACHE_v1_0|
Distribution format: gz
|Journal reference: Comput. Phys. Commun. 70(1992)426|
|Programming language: Fortran.|
|Computer: CONVEX C220.|
|Operating system: UNIX.|
|RAM: 250K words|
|Word size: 32|
|Keywords: Nuclear physics, Theoretical methods, Bound state, Resonant state, Gamow state, Homogeneous lippmann Schwinger equation, Coulomb problem, Coulomb-like potential, Local potential, Nonlocal potential, Separable expansion, Coulomb-sturmian Function, Fredholm determinant, Hypergeometric function, Continued fraction, Chebyshev polynomials.|
Nature of problem:
The program calculates bound and resonant state energies and wave functions in local and non-local Coulomb-like potentials.
The homogeneous Lippmann-Schwinger equation for Coulomb-like potentials is solved using the potential separable expansion method based on the Coulomb-Sturmian functions.
The built-in potential is the spherical fish bone potential. This, however, can simulate practically all the spherical potentials used in atomic and nuclear physics.
REAL*8 and COMPLEX*16 declarations are used.
The running time depends mostly on the size of the basis. The test run used about 0.01 seconds cpu time on the Convex C220.
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