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Supersymmetry and Trace Formulae - Chaos and Disorder (Paperback, Softcover reprint of the original 1st ed. 1999) Loot Price: R4,415
Discovery Miles 44 150
Supersymmetry and Trace Formulae - Chaos and Disorder (Paperback, Softcover reprint of the original 1st ed. 1999): Igor V....

Supersymmetry and Trace Formulae - Chaos and Disorder (Paperback, Softcover reprint of the original 1st ed. 1999)

Igor V. Lerner, Jonathan P. Keating, David E. Khmelnitskii

Series: NATO Science Series B:, 370

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Loot Price R4,415 Discovery Miles 44 150 | Repayment Terms: R414 pm x 12*

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The motion of a particle in a random potential in two or more dimensions is chaotic, and the trajectories in deterministically chaotic systems are effectively random. It is therefore no surprise that there are links between the quantum properties of disordered systems and those of simple chaotic systems. The question is, how deep do the connec tions go? And to what extent do the mathematical techniques designed to understand one problem lead to new insights into the other? The canonical problem in the theory of disordered mesoscopic systems is that of a particle moving in a random array of scatterers. The aim is to calculate the statistical properties of, for example, the quantum energy levels, wavefunctions, and conductance fluctuations by averaging over different arrays; that is, by averaging over an ensemble of different realizations of the random potential. In some regimes, corresponding to energy scales that are large compared to the mean level spacing, this can be done using diagrammatic perturbation theory. In others, where the discreteness of the quantum spectrum becomes important, such an approach fails. A more powerful method, devel oped by Efetov, involves representing correlation functions in terms of a supersymmetric nonlinear sigma-model. This applies over a wider range of energy scales, covering both the perturbative and non-perturbative regimes. It was proved using this method that energy level correlations in disordered systems coincide with those of random matrix theory when the dimensionless conductance tends to infinity.

General

Imprint: Springer-Verlag New York
Country of origin: United States
Series: NATO Science Series B:, 370
Release date: October 2012
First published: 1999
Editors: Igor V. Lerner • Jonathan P. Keating • David E. Khmelnitskii
Dimensions: 254 x 178 x 22mm (L x W x T)
Format: Paperback
Pages: 404
Edition: Softcover reprint of the original 1st ed. 1999
ISBN-13: 978-1-4613-7212-7
Categories: Books > Science & Mathematics > Mathematics > Applied mathematics > General
Books > Science & Mathematics > Physics > States of matter > General
Books > Science & Mathematics > Physics > Thermodynamics & statistical physics > Statistical physics
Books > Science & Mathematics > Physics > Quantum physics (quantum mechanics) > General
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LSN: 1-4613-7212-7
Barcode: 9781461372127

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