Above potential barrier diffusion

Details Above potential barrier diffusion Above potential barrier diffusion

2004-08-04

arxiv.org/abs/quant-ph/0408028v2

Mod. Phys. Lett. A 19, 2717-2725 (2004)

Physics

Quantum Physics

8 pages, 2 figures

Scientific paper

The stationary phase method is applied to diffusion by a potential barrier for an incoming wave packet with energies greater then the barrier height. It is observed that a direct application leads to paradoxical results. The correct solution, confirmed by numerical calculations is the creation of multiple peaks as a consequence of multiple reflections. Lessons concerning the use of the stationary phase method are drawn.

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