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Dr. Vyacheslavs Kashcheyevs (Tel-Aviv University, Israel)
Monday 25 September 2006, 14:15-15:15
Modelling of adiabatic transport: pumped charge quantization and beyond
- đ¤ Speaker: Dr. Vyacheslavs Kashcheyevs (Tel-Aviv University, Israel)
- đ Date & Time: Monday 25 September 2006, 14:15 - 15:15
- đ Venue: Mott Seminar Room, Cavendish Laboratory, Department of Physics
Abstract
Landauer-Buttiker scattering formalism provides a well-established framework for the description of stationary electron transport in small coherent structures. Recent generalizations allow calculation of the current in the presence of a periodic external perturbation such as a surface-acoustic-wave-induced potential. We shall discuss in details the key concepts and assumptions underlying the formalism, and demonstrate the simplicity of the actual calculation. Applicability of the theory to real-world devices is gauged by comparing to recent measurements of double quantum dot and carbon nanotube devices at NPL and Cambridge.
Series This talk is part of the Semiconductor Physics series.
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