727 citations
- McMaster UniversityCA7 papers
- University of WürzburgDE5 papers
- Canadian Institute for Advanced ResearchCA3 papers
- Centre National de la Recherche ScientifiqueFR3 papers
- Computational Physics (United States)US3 papers
- Universität GreifswaldDE3 papers
- Czech Academy of SciencesCZ2 papers
- FZU ‒ Institute of Physics of the Academy of Sciences of the Czech RepublicCZ2 papers
- Institute of PhysicsPL2 papers
- Philipps University of MarburgDE2 papers
- The University of MelbourneAU2 papers
- TU WienAT2 papers
4 papers · 1 filter
Spectral functions of the spinless Holstein model
J. Loos, M. Hohenadler, H. Fehske
An analytical approach to the one-dimensional spinless Holstein model is proposed, which is valid at finite charge-carrier concentrations. Spectral functions of charge carriers are…
Optical sum in Nearly Antiferromagnetic Fermi Liquid Model
E. Schachinger, J. P. Carbotte
We calculate the optical sum (OS) and the kinetic energy (KE) for a tight binding band in the Nearly Antiferromagnetic Fermi Liquid (NAFFL) model which has had some success in desc…
Many-polaron problem by cluster perturbation theory
Martin Hohenadler, Gerhard Wellein, Andreas Alvermann +1
The carrier-density dependence of the photoemission spectrum of the Holstein many-polaron model is studied using cluster perturbation theory combined with an improved cluster diago…
Ferromagnetic polarons in the one-dimensional ferromagnetic Kondo model with quantum mechanical S=3/2 core spins
D. R. Neuber, M. Daghofer, R. M. Noack +2
We present an extensive numerical study of the ferromagnetic Kondo lattice model with quantum mechanical S=3/2 core spins. We treat one orbital per site in one dimension using the…