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6 papers · 2 filters
Mott-Hubbard transition in V2O3 revisited
P. Hansmann, A. Toschi, G. Sangiovanni +4
The isostructural metal-insulator transition in Cr-doped V2O3 is the textbook example of a Mott-Hubbard transition between a paramagnetic metal and a paramagnetic insulator. We rev…
Efficient implementation of the continuous-time hybridization expansion quantum impurity solver
Hartmut Hafermann, Philipp Werner, Emanuel Gull
Strongly correlated quantum impurity problems appear in a wide variety of contexts ranging from nanoscience and surface physics to material science and the theory of strongly corre…
Strongly correlated dynamics in multichannel quantum RC circuits
Prasenjit Dutt, Thomas L. Schmidt, Christophe Mora +1
We examine dissipation effects in a multichannel quantum RC circuit, comprising a cavity or single-electron box capacitively coupled to a gate and connected to a reservoir lead via…
Correlated Dirac Particles and Superconductivity on the Honeycomb Lattice
Wei Wu, Michael M. Scherer, Carsten Honerkamp +1
We investigate the properties of the nearest-neighbor singlet pairing and the emergence of d-wave superconductivity in the doped honeycomb lattice considering the limit of large in…
Rare-Earth vs. Heavy Metal Pigments and their Colors from First Principles
Jan M. Tomczak, L. V. Pourovskii, L. Vaugier +2
Many inorganic pigments contain heavy metals hazardous to health and environment. Much attention has been devoted to the quest for non-toxic alternatives based on rare-earth elemen…
Relaxation of weakly interacting electrons in one dimension
Zoran Ristivojevic, K. A. Matveev
We consider the problem of relaxation in a one-dimensional system of interacting electrons. In the limit of weak interactions, we calculate the decay rate of a single-electron exci…