Volume 33, Number 6, February III 1996
|Page(s)||465 - 470|
|Section||Condensed matter: electronic structure, electrical, magnetic and optical properties|
|Published online||01 September 2002|
Short paths and information theory in quantum chaotic scattering: transport through quantum dots
Laboratories - 600 Mountain Ave. 1D-230, Murray Hill NJ 07974-0636
2 Instituto de Física, Universidad Nacional Autónoma de México 01000 México D.F., Mexico
Accepted: 21 December 1995
We propose an information-theoretic model to describe the common features of typical chaotic scattering processes by including two time scales, a prompt and an equilibrated component. The model, introduced in nuclear physics, uses the average value of the scattering matrix to describe the prompt processes, and satisfies flux conservation, causality, and ergodicity. We show that the model successfully describes electronic transport through a much larger class of chaotic quantum dots than previously considered. The predicted distribution of the conductance may differ dramatically from that of previous models.
PACS: 72.20.My – Conductivity phenomena in semiconductors and insulators: Galvanomagnetic and other magnetotransport effects / 05.45.+b – Theory and models of chaotic systems / 72.15.Gd – Electronic conduction in metals and alloys: Galvanomagnetic and other magnetotransport effects
© EDP Sciences, 1996
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