Density functional theory and dynamical mean-field theory : a way to model strongly correlated systems

  • In this thesis we study strongly correlated electron systems within the Density Functional Theory (DFT) in combination with the Dynamical Mean-Field Theory (DMFT). First, we give an introduction into the theoretical methods and then apply them to study realistic materials. We present results on the hole-doped 122-family of the iron-based superconductors and the transition-metal oxide SrVO3. Our investigations show that a proper treatment of strong electronic correlations is necessary to describe the experimental observations.

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Author:Steffen BackesORCiDGND
URN:urn:nbn:de:hebis:30:3-441479
Place of publication:Frankfurt am Main
Referee:Roser ValentíORCiDGND, Eberhard EngelGND, Silke BiermannORCiD
Advisor:Roser Valentí
Document Type:Doctoral Thesis
Language:English
Date of Publication (online):2017/04/13
Year of first Publication:2017
Publishing Institution:Universitätsbibliothek Johann Christian Senckenberg
Granting Institution:Johann Wolfgang Goethe-Universität
Date of final exam:2017/02/13
Release Date:2017/04/13
Page Number:181
HeBIS-PPN:402088131
Institutes:Physik / Physik
Dewey Decimal Classification:5 Naturwissenschaften und Mathematik / 53 Physik / 530 Physik
Sammlungen:Universitätspublikationen
Licence (German):License LogoDeutsches Urheberrecht