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5 papers · 2 filters
The interplay between strong correlation and adsorption distances
Marc Philipp Bahlke, Michael Karolak, Carmen Herrmann
Adsorbed transition metal atoms can have partially filled - or -shells due to strong on-site Coulomb interaction. Capturing all effects originating from electron correlation…
Exact diagonalization solver for the extended dynamical mean-field theory
Darya Medvedeva, Sergei Iskakov, Friedrich Krien +2
We present an efficient exact diagonalization scheme for the extended dynamical mean-field theory and apply it to the extended Hubbard model on the square lattice with nonlocal cha…
Local magnetic moments in iron and nickel at ambient and Earth's core conditions
A. Hausoel, M. Karolak, E. Sasioglu +5
Some Bravais lattices have a particular geometry that can slow down the motion of Bloch electrons by pre-localization due to the band-structure properties. Another known source of…
Conservation in two-particle self-consistent extensions of dynamical-mean-field-theory
F. Krien, E. G. C. P. van Loon, H. Hafermann +3
Extensions of dynamical-mean-field-theory (DMFT) make use of quantum impurity models as non-perturbative and exactly solvable reference systems which are essential to treat the str…
Metal-insulator transition in a sliding Luttinger liquid with line defects
A. L. Chudnovskiy, V. Kagalovsky, I. V. Yurkevich
We investigate the effect of both strong and weak potential scattering caused by local impurities and extended (line) defects in the array of Luttinger liquid wires. We find that i…