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Quantum Physics

Title: Transient interference of transmission and incidence

Abstract: Due to a transient quantum interference during a wavepacket collision with a potential barrier, a particular momentum, that depends on the potential parameters but is close to the initial average momentum, becomes suppressed. The hole left pushes the momentum distribution outwards leading to a significant constructive enhancement of lower and higher momenta. This is explained in the momentum complex-plane language in terms of a saddle point and two contiguous ``structural'' poles, which are not associated with resonances but with incident and transmitted components of the wavefunction.
Comments: 4 pages of text, 6 postscript figures, revtex
Subjects: Quantum Physics (quant-ph)
DOI: 10.1103/PhysRevA.64.012710
Report number: QFUPV150500
Cite as: arXiv:quant-ph/0005050
  (or arXiv:quant-ph/0005050v1 for this version)

Submission history

From: [view email]
[v1] Mon, 15 May 2000 12:49:01 GMT (39kb)