Hartmut Hafermann

Superconductivity, antiferromagnetism, and phase separation in the two-dimensional Hubbard model: A dual-fermion approach

Junya Otsuki, Hartmut Hafermann, A. I. Lichtenstein · Physical Review B · 2014 · 97 citations · Full text

Natural Sciences, Physics, Condensed Matter Physics +15

Diagrammatic Monte Carlo approach for diagrammatic extensions of dynamical mean-field theory: Convergence analysis of the dual fermion technique

Jan Gukelberger, Evgeny Kozik, Hartmut Hafermann · Physical review. B./Physical review. B · 2017 · 58 citations · Full text

Natural Sciences, Physics, Computational Physics +15

Conservation in two-particle self-consistent extensions of dynamical mean-field theory

Friedrich Krien, Erik G. C. P. van Loon, Hartmut Hafermann et al. · Physical review. B./Physical review. B · 2017 · 40 citations · Full text

Natural Sciences, Physics, Condensed Matter Physics +15

Double occupancy in dynamical mean-field theory and the dual boson approach

Erik G. C. P. van Loon, Friedrich Krien, Hartmut Hafermann et al. · Physical review. B./Physical review. B · 2016 · 35 citations · Full text

Natural Sciences, Physics, Condensed Matter Physics +8

Precursors of the insulating state in the square-lattice Hubbard model

Erik G. C. P. van Loon, Hartmut Hafermann, M. I. Katsnelson · Physical review. B./Physical review. B · 2018 · 30 citations · Full text

Natural Sciences, Physics, Condensed Matter Physics +13