84 citations · 237 across the 6 of their papers we have counts for
6 papers
Embedding approach for dynamical mean field theory of strongly correlated heterostructures
H. Ishida, A. Liebsch
We present an embedding approach based on localized basis functions which permits an efficient application of the dynamical mean field theory (DMFT) to inhomogeneous correlated mat…
Multisite versus multiorbital Coulomb correlations studied within finite-temperature exact diagonalization dynamical mean-field theory
A. Liebsch, H. Ishida, J. Merino
The influence of short-range Coulomb correlations on the Mott transition in the single-band Hubbard model at half-filling is studied within cellular dynamical mean field theory for…
Coulomb correlations do not fill the e'_g hole pockets in Na_{0.3}CoO_2
A. Liebsch, H. Ishida
There exists presently considerable debate over the question whether local Coulomb interactions can explain the absence of the small e'_g Fermi surface hole pockets in photoemissio…
Subband filling and Mott transition in Ca_{2-x}Sr_xRuO_4
A. Liebsch, H. Ishida
A new concept is proposed for the paramagnetic metal insulator transition in the layer perovskite Ca_{2-x}Sr_xRuO_4. Whereas the pure Sr compound is metallic up to very large Coulo…
Exact Diagonalization Dynamical Mean Field Theory for Multi-Band Materials: Effect of Coulomb correlations on the Fermi surface of Na_0.3CoO_2
C. A. Perroni, H. Ishida, A. Liebsch
Dynamical mean field theory combined with finite-temperature exact diagonalization is shown to be a suitable method to study local Coulomb correlations in realistic multi-band mate…
Coulomb Correlations and Orbital Polarization in the Metal Insulator Transition of VO_2
A. Liebsch, H. Ishida, G. Bihlmayer
The quasi-particle spectra in the metallic rutile and insulating monoclinic phases of VO are shown to be dominated by local Coulomb interactions. In the rutile phase the small…