Issue |
Europhys. Lett.
Volume 62, Number 5, June 2003
|
|
---|---|---|
Page(s) | 719 - 725 | |
Section | Condensed matter: electronic structure, electrical, magnetic, and optical properties | |
DOI | https://doi.org/10.1209/epl/i2003-00432-x | |
Published online | 01 May 2003 |
Fingerprints of classical diffusion in open 2D mesoscopic systems in the metallic regime
Max-Planck-Institut für Strömungsforschung und Fakultät Physik der Universität Göttingen Bunsenstraße 10, D-37073 Göttingen, Germany
Received:
29
January
2003
Accepted:
28
March
2003
We investigate the distribution of the resonance widths
and Wigner delay times
for scattering from two-dimensional
systems in the diffusive regime. We obtain the forms of these
distributions (log-normal for large
and small
Γ, and power law in the opposite case) for different
symmetry classes and show that they are determined by the
underlying diffusive classical dynamics. Our theoretical
arguments are supported by extensive numerical calculations.
PACS: 73.23.-b – Electronic transport in mesoscopic systems / 03.65.Nk – Scattering theory / 05.45.Mt – Quantum chaos; semiclassical methods
© EDP Sciences, 2003
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