186 citations · 2.3k across the 45 of their papers we have counts for
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Strange Metal Solution in the Diagrammatic Theory for the Hubbard Model
Aaram J. Kim, Philipp Werner, Evgeny Kozik
We show that the numerically exact bold-line diagrammatic theory for the Hubbard model exhibits a non-Fermi-liquid (NFL) strange metal state, which is connected to the SYK NFL…
Homotopic Action: A Pathway to Convergent Diagrammatic Theories
Aaram J. Kim, Nikolay V. Prokof'ev, Boris V. Svistunov +1
The major obstacle preventing Feynman diagrammatic expansions from accurately solving many-fermion systems in strongly correlated regimes is the series slow convergence or divergen…
Dual Boson Diagrammatic Monte Carlo Approach Applied to the Extended Hubbard Model
M. Vandelli, V. Harkov, E. A. Stepanov +4
In this work we introduce the Dual Boson Diagrammatic Monte Carlo technique for strongly interacting electronic systems. This method combines the strength of dynamical mean-filed t…
Tracking the Footprints of Spin Fluctuations: A MultiMethod, MultiMessenger Study of the Two-Dimensional Hubbard Model
Thomas Schäfer, Nils Wentzell, Fedor Šimkovic +23
The Hubbard model represents the fundamental model for interacting quantum systems and electronic correlations. Using the two-dimensional half-filled Hubbard model at weak coupling…
GW space-time method: Energy band-gap of solid hydrogen
Sam Azadi, Arkadiy Davydov, Evgeny Kozik
We implement the GW space-time method at finite temperatures, in which the Green's function G and the screened Coulomb interaction W are represented in the real space on a suitable…
Entropy in the non-Fermi-liquid regime of the doped Hubbard model
Connor Lenihan, Aaram J. Kim, Fedor Šimkovic IV. +1
We study thermodynamic properties of the doped Hubbard model on the square lattice in the regime of strong charge and spin fluctuations at low temperatures near the metal-to-insula…