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quant-ph2024
Projective purification of correlated reduced density matrices
Elias Pescoller, Marie Eder, Iva Březinová
In the search for accurate approximate solutions of the many-body Schrödinger equation, reduced density matrices play an important role, as they allow to formulate approximate meth…
cond-mat.str-el2024
Dynamical quasi-condensation in the weakly interacting Fermi-Hubbard model
Iva Březinová, Markus Stimpfle, Stefan Donsa +1
We study dynamical (quasi)-condensation in the Fermi-Hubbard model starting from a completely uncorrelated initial state of adjacent doubly occupied sites. We show that upon expans…