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cond-mat.str-el2021
Linear-time generalized Hartree-Fock algorithm for quasi-one-dimensional systems
Alex Meiburg, Bela Bauer
In many approximate approaches to fermionic quantum many-body systems, such as Hartree-Fock and density functional theory, solving a system of non-interacting fermions coupled to s…
cond-mat.str-el2021★ 9 cited
Quantum impurity models using superpositions of fermionic Gaussian states: Practical methods and applications
Samuel Boutin, Bela Bauer
The coherent superposition of non-orthogonal fermionic Gaussian states has been shown to be an efficient approximation to the ground states of quantum impurity problems [Bravyi and…