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Correlated Materials - Models & Methods


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Title: Correlated Materials - Models & Methods
Authors: Strand, Hugo U. R.
E-mail: hugo.strand@physics.gu.se
Issue Date: 12-Mar-2013
University: University of Gothenburg
Institution: Department of Physics ; Institutionen för fysik
Parts of work: I. Hugo U. R. Strand, Andro Sabashvili, Mats Granath, Bo Hellsing, and Stellan Östlund, The Dynamical Mean Field Theory phase space extension and critical properties of the finite temperature Mott transition, Phys. Rev. B 83, 205136 (2011)
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II. Mats Granath and Hugo U. R. Strand, Distributional exact diagonalization formalism for quantum impurity models, Phys. Rev. B 86, 115111 (2012)
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III. Nicola Lanata, Hugo U. R. Strand, Xi Dai, and Bo Hellsing, Efficient implementation of the Gutzwiller variational method, Phys. Rev. B 85, 035133 (2012)
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IV. Nicola Lanata, Hugo U. R. Strand, Gianluca Giovannetti, Bo Hellsing, Luca de’ Medici, and Massimo Capone, Orbital Selectivity in Hund’s metals: The Iron Chalcogenides, Phys. Rev. B 87, 045122 (2013)
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V. Hugo U. R. Strand, Nicola Lanata, Mats Granath, and Bo Hellsing, Local correlation in the d-band, Slater-Condon vs. Kanamori, (in manuscript)

VI. Hugo U. R. Strand, Valence skipping and effective negative-U in the d-band from repulsive local Coulomb interaction, (in manuscript)
Date of Defence: 2013-04-12
Disputation: Fredagen den 12:e april 2013, kl. 10.00, i salen Pascal, Chalmers Tvärgata 3, Chalmers, Göteborg
Degree: Doctor of Philosophy
Publication type: Doctoral thesis
Abstract: This thesis encompass a series of studies on methods and models for electron systems with local interactions, relevant for correlated materials. The first study focus on the canonical model for local correlation, the Hubbard model. Using dynamical mean field theory, the critical properties of the finite temperature end point of the metal insulator transition are determined. The issue of computing real frequency spectral functions is also addressed through the development of the novel method, dis... more
ISBN: 978-91-628-8643-1
URI: http://hdl.handle.net/2077/32118
Appears in Collections:Doctoral Theses from University of Gothenburg / Doktorsavhandlingar från Göteborgs universitet
Doctoral Theses / Doktorsavhandlingar Institutionen för fysik

 

 

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