Dynamical screening effects in correlated electron materials—a progress report on combined many-body perturbation and dynamical mean field theory:'GW+ DMFT'

S Biermann - Journal of Physics: Condensed Matter, 2014 - iopscience.iop.org
We give a summary of recent progress in the field of electronic structure calculations for
materials with strong electronic Coulomb correlations. The discussion focuses on …

Plane-wave based electronic structure calculations for correlated materials using dynamical mean-field theory and projected local orbitals

B Amadon, F Lechermann, A Georges, F Jollet… - Physical Review B …, 2008 - APS
The description of realistic strongly correlated systems has recently advanced through the
combination of density functional theory in the local density approximation (LDA) and …

Dimensional-Crossover-Driven Metal-Insulator Transition in Ultrathin Films

K Yoshimatsu, T Okabe, H Kumigashira, S Okamoto… - Physical review …, 2010 - APS
We have investigated the changes occurring in the electronic structure of digitally controlled
SrVO 3 ultrathin films across the metal-insulator transition (MIT) by the film thickness using in …

Orbital Magnetism and Spin-Orbit Effects in the Electronic Structure of

MA Laguna-Marco, D Haskel, N Souza-Neto, JC Lang… - Physical review …, 2010 - APS
The electronic structure and magnetism of Ir 5 d 5 states in nonmetallic, weakly
ferromagnetic BaIrO 3 are probed with x-ray absorption techniques. Contrary to expectation …

Electronic properties of bulk and thin film : Search for the metal-insulator transition

JM Rondinelli, NM Caffrey, S Sanvito… - Physical Review B …, 2008 - APS
We calculate the properties of the 4 d ferromagnet SrRuO 3 in bulk and thin film form with the
aim of understanding the experimentally observed metal-to-insulator transition at reduced …

X-ray photoelectron spectroscopy: a unique tool to determine the internal heterostructure of nanoparticles

DD Sarma, PK Santra, S Mukherjee… - Chemistry of …, 2013 - ACS Publications
We review the existing literature on the application of X-ray photoelectron spectroscopy in
the study of nanocrystals. The unique ability of this technique to provide quantitative and …

Combined GW and dynamical mean-field theory: Dynamical screening effects in transition metal oxides

JM Tomczak, M Casula, T Miyake… - Europhysics …, 2012 - iopscience.iop.org
We present the first dynamical implementation of the combined GW and dynamical mean-
field scheme (" GW+ DMFT") for first-principles calculations of the electronic properties of …

Electronics with Correlated Oxides: as a Mott Transistor

Z Zhong, M Wallerberger, JM Tomczak, C Taranto… - Physical review …, 2015 - APS
We employ density functional theory plus dynamical mean field theory and identify the
physical origin of why two layers of SrVO 3 on a SrTiO 3 substrate are insulating: the thin film …

Asymmetry in band widening and quasiparticle lifetimes in : Competition between screened exchange and local correlations from combined and dynamical …

JM Tomczak, M Casula, T Miyake, S Biermann - Physical Review B, 2014 - APS
The very first dynamical implementation of the combined GW and dynamical mean-field
scheme “GW+ DMFT” for a real material was achieved recently [Tomczak, Europhys. Lett …

Coulomb-Enhanced Spin-Orbit Splitting: The Missing Piece in the Puzzle

GQ Liu, VN Antonov, O Jepsen, OK Andersen - Physical review letters, 2008 - APS
The outstanding discrepancy between the measured and calculated (local-density
approximation) Fermi surfaces in the well-characterized, paramagnetic Fermi liquid Sr 2 …