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Analytical and numerical study of quantum impurity systems in the intermediate and strong coupling regimes

Mantelli, Davide (2016) Analytical and numerical study of quantum impurity systems in the intermediate and strong coupling regimes. PhD, Universität Regensburg.

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Date of publication of this fulltext: 29 Jul 2016 08:49

Abstract (English)

In this thesis we deal with the description of quantum impurity systems. In order to achieve such an aim, we exploit in the first part of this work the Reduced Density Matrix (RDM) formalism, in the second one the Density Matrix-Numerical Renormalization Group (DM-NRG) method. The first half of the thesis deals with the derivation and the application of out-of-equilibrium and non-perturbative ...

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Translation of the abstract (German)

In dieser Doktorarbeit beschäftigen wir uns mit der Beschreibung von Quanten Störstellen Systemen. Zu diesem Zweck nutzen wir im ersten Teil dieser Arbeit den Reduced Density Matrix (RDM) Formalismus und im zweiten Teil die Methode der Density Matrix-Numerical Renormalization Group (DM-NRG).


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Item type:Thesis of the University of Regensburg (PhD)
Date:29 July 2016
Referee:Prof. Dr. Milena Grifoni and Prof. Dr. Klaus Riechter and Prof. Dr. Dieter Weiss and Prof. Dr. Vladimir Braun
Date of exam:21 July 2016
Institutions:Physics > Institute of Theroretical Physics > Chair Professor Grifoni > Group Milena Grifoni
Keywords:Kondo effect, Intermediate and strong coupling, quantum dots
Dewey Decimal Classification:500 Science > 530 Physics
Status:Published
Refereed:Yes, this version has been refereed
Created at the University of Regensburg:Yes
Item ID:34135
Owner only: item control page

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