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cond-mat.str-el2024
Algorithm for computing perturbation series of dynamical mean field theory
Corentin Bertrand, Michel Ferrero, Olivier Parcollet
We show how to use diagrammatic techniques to compute the weak-coupling perturbation series of the self-consistent solution to a Dynamical Mean Field Theory (DMFT) problem. This ap…
cond-mat.mes-hall2024★ 4 cited
Detector-tuned overlap catastrophe in quantum dots
Sarath Sankar, Corentin Bertrand, Antoine Georges +2
The Anderson overlap catastrophe (AOC) is a many-body effect arising as a result of a shakeup of a Fermi sea due to an abrupt change of a local potential, leading to a power-law de…