Determinable Solutions for One-dimensional Quantum Potentials: Scattering, Quasi-bound and Bound State Problems

Details Determinable Solutions for One-dimensional Quantum Potentials: Scattering, Quasi-bound and Bound State Problems Determinable Solutions for One-dimensional Quantum Potentials: Scattering, Quasi-bound and Bound State Problems

2006-11-19

arxiv.org/abs/quant-ph/0611197v2

Physics

Quantum Physics

9 pages, 7 figures, Currected typos and clarified the discussion of double square well

Scientific paper

We derive analytic expressions of the recursive solutions to the Schr\"{o}dinger's equation by means of a cutoff potential technique for one-dimensional piecewise constant potentials. These solutions provide a method for accurately determining the transmission probabilities as well as the wave function in both classically accessible region and inaccessible region for any barrier potentials. It is also shown that the energy eigenvalues and the wave functions of bound states can be obtained for potential-well structures by exploiting this method. Calculational results of illustrative examples are shown in order to verify this method for treating barrier and potential-well problems.

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