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Non-equilibrium magnetic interactions in strongly correlated systems
Andrea Secchi, Sergei Brener, Alexander I. Lichtenstein +1
We formulate a low-energy theory for the magnetic interactions between electrons in the multi-band Hubbard model under non-equilibrium conditions determined by an external time-dep…
Excitation spectra of transition metal atoms on the Ag (100) surface controlled by Hund's exchange
S. Gardonio, M. Karolak, T. O. Wehling +5
We report photoemission experiments revealing the valence electron spectral function of Mn, Fe, Co and Ni atoms on the Ag(100) surface. The series of spectra shows splittings of hi…
Local Gating of an Ir(111) Surface Resonance by Graphene Islands
S. J. Altenburg, J. Kröger, T. O. Wehling +3
The influence of graphene islands on the electronic structure of the Ir(111) surface is investigated. Scanning tunneling spectroscopy (STS) indicates the presence of a two-dimensio…
Valence-band satellite in the ferromagnetic nickel: LDA+DMFT study with exact diagonalization
Jindrich Kolorenc, Alexander I. Poteryaev, Alexander I. Lichtenstein
The valence-band spectrum of the ferromagnetic nickel is calculated using the LDA+DMFT method. The auxiliary impurity model emerging in the course of the calculations is discretize…