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- Technische Universität DresdenDE676 papers
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26 papers · 2 filters
Wave-function-based approach to quasiparticle bands: new insight into the electronic structure of c-ZnS
A. Stoyanova, L. Hozoi, P. Fulde +1
Ab initio wave-function-based methods are employed for the study of quasiparticle energy bands of zinc-blende ZnS, with focus on the Zn 3d "semicore" states. The relative energies…
Multi-step approach to microscopic models for frustrated quantum magnets - the case of the natural mineral azurite
Harald Jeschke, Ingo Opahle, Hem Kandpal +14
The natural mineral azurite Cu(CO)(OH) is a frustrated magnet displaying unusual and controversially discussed magnetic behavior. Motivated by the lack of a unified…
Electronic Correlation effects in superconducting picene from ab-initio calculations
Gianluca Giovannetti, Massimo Capone
We show, by means of ab-initio calculations, that electron-electron correlations play an important role in potassium-doped picene (-picene), recently characterized as a superc…
Determining the Electron-Phonon Coupling Strength in Correlated Electron Systems from Resonant Inelastic X-ray Scattering
Luuk J. P. Ament, Michel van Veenendaal, Jeroen van den Brink
We show that high resolution Resonant Inelastic X-ray Scattering (RIXS) provides direct, element-specific and momentum-resolved information on the electron-phonon (e-p) coupling st…
Fractality of Hofstadter Butterfly in Specific Heat Oscillation
L. P. Yang, W. H. Xu, M. P. Qin +1
We calculate thermodynamical properties of the Hofstadter model using a recently developed quantum transfer matrix method. We find intrinsic oscillation features in specific heat t…
Chiral Skyrmionic matter in non-centrosymmetric magnets
Ulrich K. Rößler, Andrei A. Leonov, Alexei N. Bogdanov
Axisymmetric magnetic strings with a fixed sense of rotation and nanometer sizes (chiral magnetic vortices or Skyrmions) have been predicted to exist in a large group of non-centro…