10.9k citations
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3 papers · 2 filters
Quantification of correlations in quantum many-particle systems
K. Byczuk, J. Kunes, W. Hofstetter +1
We introduce a well-defined and unbiased measure of the strength of correlations in quantum many-particle systems which is based on the relative von Neumann entropy computed from t…
Non-equilibrium transport through molecular junctions in the quantum regime
T. Koch, J. Loos, A. Alvermann +1
We consider a quantum dot, affected by a local vibrational mode and contacted to macroscopic leads, in the non-equilibrium steady-state regime. We apply a variational Lang-Firsov t…
Disproportionation and Metallization at Low-Spin to High-Spin Transition in Multiorbital Mott Systems
Jan Kunes, Vlastimil Krapek
We study the thermally driven spin state transition in a two-orbital Hubbard model with crystal field splitting, which provides a minimal description of the physics of LaCoO3. We e…