152 citations · 433 across the 6 of their papers we have counts for
6 papers
Effective Coulomb interactions in solids under pressure
Jan M. Tomczak, T. Miyake, R. Sakuma +1
Correlated materials are extremely sensitive to external stimuli, such as temperature or pressure. Describing the electronic properties of such systems often requires applying many…
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…
Effective Band Structure of Correlated Materials - The Case of VO2
Jan M. Tomczak, Silke Biermann
Vanadium dioxide, VO2, and its metal-insulator transition at T=340K continues to receive considerable interest. The question whether the physics of the insulating low-temperature p…
Multi-orbital Effects in Optical Properties of Vanadium Sesquioxide
Jan M. Tomczak, Silke Biermann
Vanadium sesquioxide, V2O3, boasts a rich phase diagram whose description necessitates the accounting for many-body Coulomb correlations. Spectral properties of this compound have…
Effective band-structure in the insulating phase versus strong dynamical correlations in metallic VO2
Jan M. Tomczak, Ferdi Aryasetiawan, Silke Biermann
Using a general analytical continuation scheme for cluster dynamical mean field calculations, we analyze real-frequency self-energies, momentum-resolved spectral functions, and one…
Enhanced Crystal Field Splitting and Orbital Selective Coherence by Strong Correlations in V_2O_3
A. I. Poteryaev, J. M. Tomczak, S. Biermann +5
We present a study of the paramagnetic metallic and insulating phases of vanadium sesquioxide by means of the th order muffin-tin orbital implementation of density functional th…