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22 papers · 2 filters
Local and nonlocal electronic correlations at the metal-insulator transition in the Hubbard model in two dimensions
Maria Chatzieleftheriou, Silke Biermann, Evgeny A. Stepanov
Elucidating the physics of the single-orbital Hubbard model in its intermediate coupling regime is a key missing ingredient to our understanding of metal-insulator transitions in r…
On the cuprates' universal waterfall feature: evidence of a momentum-driven crossover
Benjamin Bacq-Labreuil, Chafic Fawaz, Yuichi Okazaki +13
We study two related universal anomalies of the spectral function of cuprates, so called waterfall and high-energy kink features, by a combined cellular dynamical mean-field theory…
Diagrammatic Monte Carlo for Dissipative Quantum Impurity Models
Matthieu Vanhoecke, Marco Schirò
We develop a diagrammatic Monte Carlo method for the real-time dynamics of dissipative quantum impurity models. These are small open quantum systems with interaction and local Mark…
Charge Density Wave Ordering in NdNiO: Effects of Multiorbital Nonlocal Correlations
Evgeny A. Stepanov, Matteo Vandelli, Alexander I. Lichtenstein +1
In this work, we investigate collective electronic fluctuations and, in particular, the possibility of the charge density wave ordering in an infinite-layer NdNiO. We perform a…
Mott Transition and Volume Law Entanglement with Neural Quantum States
Chloé Gauvin-Ndiaye, Joseph Tindall, Javier Robledo Moreno +1
The interplay between delocalisation and repulsive interactions can cause electronic systems to undergo a Mott transition between a metal and an insulator. Here we use neural netwo…
Orbital-selective metal skin induced by alkali-metal-dosing Mott-insulating CaRuO
M. Horio, F. Forte, D. Sutter +21
Doped Mott insulators are the starting point for interesting physics such as high temperature superconductivity and quantum spin liquids. For multi-band Mott insulators, orbital se…