Physics – Nuclear Physics – Nuclear Theory
Scientific paper
2011-01-20
J.Phys.A44:015304,2011
Physics
Nuclear Physics
Nuclear Theory
10 pages, 5 figures
Scientific paper
10.1088/1751-8113/44/1/015304
The Schrodinger equation with the trigonometric Rosen-Morse potential in flat three dimensional Euclidean space, E3, and its exact solutions are shown to be also exactly transformable to momentum space, though the resulting equation is purely algebraic and can not be cast into the canonical form of an integral Lippmann-Schwinger equation. This is because the cotangent function does not allow for an exact Fourier transform in E3. In addition we recall, that the above potential can be also viewed as an angular function of the second polar angle parametrizing the three dimensional spherical surface, S3, of a constant radius, in which case the cotangent function would allow for an exact integral transform to momentum space. On that basis, we obtain a momentum space Lippmann-Schwinger-type equation, though the corresponding wavefunctions have to be obtained numerically.
Compean C. B.
Kirchbach Mariana
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