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Proceedings Paper

Motion, tunneling, and quantum revivals of wave packets into systems with distributed potential and boundary walls
Author(s): Andrey L. Sanin; Alexander A. Smirnovsky; Andrey T. Bagmanov
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Paper Abstract

Quantum wave dynamics in systems with potential wells, bathers and outer impenetrable walls has been studied using solutions of time-dependent Schrodinger equation. Numerical integration of Schrodinger equation, calculation of dynamical variables and its average values, Fourier-spectra were carried out for different initial conditions and different relations between wave packet energy and bather height. In non-symmetric wells the oscillations of wave packets are accompanied by multistep discrete tunneling of probability fluid from well through barrier. In double well potential (symmetric wells) the temporal scales of oscillations and tunneling were investigated in details. Influence of additional time-dependent potential on quantum wave packet dynamics in above listed systems is also discussed.

Paper Details

Date Published: 10 April 2007
PDF: 7 pages
Proc. SPIE 6597, Nanodesign, Technology, and Computer Simulations, 659705 (10 April 2007); doi: 10.1117/12.726708
Show Author Affiliations
Andrey L. Sanin, St. Petersburg State Polytechnical Univ. (Russia)
Alexander A. Smirnovsky, St. Petersburg State Polytechnical Univ. (Russia)
Andrey T. Bagmanov, St. Petersburg State Polytechnical Univ. (Russia)

Published in SPIE Proceedings Vol. 6597:
Nanodesign, Technology, and Computer Simulations
Alexander I. Melker; Teodor Breczko, Editor(s)

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