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Noise in coulomb blockaded quantum dots and kondo systems

Larsson, Daniel Mikael (2011)
Ph.D. thesis, University of Birmingham.

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Abstract

In this thesis we study the noise in Coulomb blockaded quantum dots in the vicinity of the peak of conductance in a full quantum treatment using the Keldysh technique. In previous work on this system, the emphasis have been on master equation approaches in the shot noise regime. In the vicinity of the peak of conductance it remained unclear if this classical approach is valid since we have two strongly interacting charging states and a full quantum treatment is necessary. Using our full, quantum mechanical approach we find an analytical expression for the noise valid from the low bias regime all the way to the shot noise regime valid in the vicinity of peak of conductance. In the shot noise regime we recover the result from the master equation approach.

Type of Work:Ph.D. thesis.
Supervisor(s):Lerner, Igor V. and Yurkevich, Igor
School/Faculty:Colleges (2008 onwards) > College of Engineering & Physical Sciences
Department:School of Physics and Astronomy
Subjects:Q Science (General)
QC Physics
Institution:University of Birmingham
ID Code:1535
This unpublished thesis/dissertation is copyright of the author and/or third parties. The intellectual property rights of the author or third parties in respect of this work are as defined by The Copyright Designs and Patents Act 1988 or as modified by any successor legislation. Any use made of information contained in this thesis/dissertation must be in accordance with that legislation and must be properly acknowledged. Further distribution or reproduction in any format is prohibited without the permission of the copyright holder.
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