186 citations · 2.3k across the 45 of their papers we have counts for
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cond-mat.str-el2014★ 77 cited
Emergent BCS regime of the two-dimensional fermionic Hubbard model: ground-state phase diagram
Youjin Deng, Evgeny Kozik, Nikolay V. Prokof'ev +1
A significant part of the phase diagram of the two-dimensional fermionic Hubbard model for moderate interactions and filling factors () is governed by effective Fe…
cond-mat.str-el2014★ 157 cited
Non-existence of the Luttinger-Ward functional and misleading convergence of skeleton diagrammatic series for Hubbard-like models
Evgeny Kozik, Michel Ferrero, Antoine Georges
The Luttinger-Ward functional , which expresses the thermodynamic grand potential in terms of the interacting single-particle Green's function , is found…