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 …
materials with strong electronic Coulomb correlations. The discussion focuses on …
Long-Range Coulomb Interactions in Surface Systems: A First-Principles Description within Self-Consistently Combined and Dynamical Mean-Field Theory
Systems of adatoms on semiconductor surfaces display competing ground states and exotic
spectral properties typical of two-dimensional correlated electron materials which are …
spectral properties typical of two-dimensional correlated electron materials which are …
Spectroscopic indications of polaronic behavior of the strong spin-orbit insulator SrIrO
We investigate the bilayer Ruddlesden-Popper iridate Sr 3 Ir 2 O 7 by temperature-
dependent angle-resolved photoemission. At low temperatures, we find a fully gapped …
dependent angle-resolved photoemission. At low temperatures, we find a fully gapped …
What about U on surfaces? Extended Hubbard models for adatom systems from first principles
Electronic correlations together with dimensional constraints lead to some of the most
fascinating properties known in condensed matter physics. As possible candidates where …
fascinating properties known in condensed matter physics. As possible candidates where …
Competing charge ordering and Mott phases in a correlated Sn/Ge (111) two-dimensional triangular lattice
We take advantage of complementary high-resolution experimental techniques and
theoretical tools to get insight into the α-Sn/Ge (111) triangular lattice surface consisting of …
theoretical tools to get insight into the α-Sn/Ge (111) triangular lattice surface consisting of …
Uncertainty principle for experimental measurements: Fast versus slow probes
P Hansmann, T Ayral, A Tejeda, S Biermann - Scientific reports, 2016 - nature.com
The result of a physical measurement depends on the time scale of the experimental probe.
In solid-state systems, this simple quantum mechanical principle has far-reaching …
In solid-state systems, this simple quantum mechanical principle has far-reaching …
Switching the charge state of individual surface atoms at Si (111)-√ 3×√ 3: B surfaces
D Eom, CY Moon, JY Koo - Nano letters, 2015 - ACS Publications
We show that each surface atom of heavily boron-doped,(111)-oriented silicon with a√ 3×√
3 reconstruction has electrically switchable two charge states due to the strong electron …
3 reconstruction has electrically switchable two charge states due to the strong electron …
Reflection high-energy positron diffraction: the past 15 years and the future
Y Fukaya, M Maekawa, I Mochizuki… - Journal of Physics …, 2013 - iopscience.iop.org
Reflection high-energy positron diffraction (RHEPD) is the positron counterpart of reflection
high-energy electron diffraction (RHEED). Owing to the positive charge of the positron …
high-energy electron diffraction (RHEED). Owing to the positive charge of the positron …
Electron‐lattice correlations and phase transitions in CMR manganites
V Moshnyaga, K Samwer - Annalen der Physik, 2011 - Wiley Online Library
Interrelations between global and local structure and magnetism and transport in three‐
dimensional perovskite manganites is reviewed and compared with recent studies on thin …
dimensional perovskite manganites is reviewed and compared with recent studies on thin …
Giant Alkali-Metal-Induced Lattice Relaxation as the Driving Force<? format?> of the Insulating Phase of Alkali-Metal/Si (111): B
L Chaput, C Tournier-Colletta, L Cardenas, A Tejeda… - Physical Review Letters, 2011 - APS
Ab initio density-functional theory calculations, photoemission spectroscopy (PES), scanning
tunneling microscopy, and spectroscopy (STM, STS) have been used to solve the 2 3× 2 3 R …
tunneling microscopy, and spectroscopy (STM, STS) have been used to solve the 2 3× 2 3 R …