The stationary phase method is applied to diffusion by a potential barrier for an incoming wave packet with energies greater than the height of the barrier. It is observed that a direct application leads to paradoxical results. The correct solution, con_rmed by numerical calculations is the creation of multiple peaks as a consequence of multiple reections. Lessons concerning the use of the stationary phase method are drawn.
Above barrier potential diffusion
ROTELLI, Pietro
2004-01-01
Abstract
The stationary phase method is applied to diffusion by a potential barrier for an incoming wave packet with energies greater than the height of the barrier. It is observed that a direct application leads to paradoxical results. The correct solution, con_rmed by numerical calculations is the creation of multiple peaks as a consequence of multiple reections. Lessons concerning the use of the stationary phase method are drawn.File in questo prodotto:
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