Volume 62, Number 5, June 2003
|Page(s)||719 - 725|
|Section||Condensed matter: electronic structure, electrical, magnetic, and optical properties|
|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
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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