J-matrix method of scattering in one dimension: The nonrelativistic theory

Details J-matrix method of scattering in one dimension: The nonrelativistic theory J-matrix method of scattering in one dimension: The nonrelativistic theory

2010-04-22

arxiv.org/abs/1004.3898v1

Ann. Phys. 324, 2561 (2009)

Physics

Mathematical Physics

24 pages, 9 figures (3 in color)

Scientific paper

We formulate a theory of nonrelativistic scattering in one dimension based on the J-matrix method. The scattering potential is assumed to have a finite range such that it is well represented by its matrix elements in a finite subset of a basis that supports a tridiagonal matrix representation for the reference wave operator. Contrary to our expectation, the 1D formulation reveals a rich and highly non-trivial structure compared to the 3D formulation. Examples are given to demonstrate the utility and accuracy of the method. It is hoped that this formulation constitutes a viable alternative to the classical treatment of 1D scattering problem and that it will help unveil new and interesting applications.

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