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5 papers · 2 filters
Optical Properties of Correlated Materials -- or Why Intelligent Windows may look Dirty
Jan M. Tomczak, Silke Biermann
Materials with strong electronic Coulomb correlations play an increasing role in modern materials applications. "Thermochromic" systems, which exhibit thermally induced changes in…
Dynamical Mean-Field Theory within an Augmented Plane-Wave Framework: Assessing Electronic Correlations in the Iron Pnictide LaFeAsO
Markus Aichhorn, Leonid Pourovskii, Veronica Vildosola +5
We present an approach that combines the local density approximation (LDA) and the dynamical mean-field theory (DMFT) in the framework of the full-potential linear augmented plane…
Optical properties of correlated materials -- Generalized Peierls approach and its application to VO2
Jan M. Tomczak, Silke Biermann
The aim of the present paper is to present a versatile scheme for the computation of optical properties of solids, with particular emphasis on realistic many-body calculations for…
Pseudogap opening and formation of Fermi arcs as an orbital-selective Mott transition in momentum space
M. Ferrero, P. S. Cornaglia, L. De Leo +3
We present an approach to the normal state of cuprate superconductors which is based on a minimal cluster extension of dynamical mean-field theory. Our approach is based on an effe…
Phase diagram and single-particle spectrum of CuO layers within a variational cluster approach to the 3-band Hubbard model
E. Arrigoni, M. Aichhorn, M. Daghofer +1
We carry out a detailed numerical study of the three-band Hubbard model in the underdoped region both in the hole- as well as in the electron-doped case by means of the variational…