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Quantum Physics

Title: Transient response of a quantum wave to an instantaneous potential step switching

Abstract: The transient response of a stationary state of a quantum particle in a step potential to an instantaneous change in the step height (a simplified model for a sudden bias switch in an electronic semiconductor device) is solved exactly by means of a semianalytical expression. The characteristic times for the transient process up to the new stationary state are identified. A comparison is made between the exact results and an approximate method.
Comments: 8 pages, 8 figures, Revtex4
Subjects: Quantum Physics (quant-ph)
DOI: 10.1088/0305-4470/35/48/311
Cite as: arXiv:quant-ph/0207159
  (or arXiv:quant-ph/0207159v1 for this version)

Submission history

From: J. G. Muga [view email]
[v1] Sat, 27 Jul 2002 22:02:06 GMT (112kb)