Publications
Preprints
Superconductivity and Mottness in Organic Charge Transfer Materials
Henri Menke, Marcel Klett, Kazushi Kanoda, Antoine Georges, Michel Ferrero, and Thomas Schäfer
Single- and two-particle observables in the Emery model: a dynamical mean-field perspective
Yi-Ting Tseng, M. O. Malcolms, Henri Menke, Marcel Klett, Thomas Schäfer, P. Hansmann
Thermodynamic Stability at the Two-Particle Level
A. Kowalski, M. Reitner, L. Del Re, M. Chatzieleftheriou, A. Amaricci, A. Toschi, L. de' Medici, G. Sangiovanni, and T. Schäfer
Precise many-body simulations of antiferromagnetic phases using broken-symmetry perturbative expansions
R. Garioud, F. Šimkovic IV, R. Rossi, G. Spada, T. Schäfer, F. Werner, M. Ferrero
Journal publications
Mott transition and pseudogap of the square-lattice Hubbard model: results from center-focused cellular dynamical mean-field theory
Michael Meixner, Henri Menke, Marcel Klett, Sarah Heinzelmann, Sabine Andergassen, Philipp Hansmann, and Thomas Schäfer
SciPost Physics 16, 059 (2024), arXiv
Magnetism and Metallicity in Moiré Transition Metal Dichalcogenides
Patrick Tscheppe, Jiawei Zang, Marcel Klett, Seher Karakuzu, Armelle Celarier, Zhengqian Cheng, Thomas A. Maier, Michel Ferrero, Andrew J. Millis, and Thomas Schäfer
Proceedings of the National Academy of Sciences 121, 3 (2024), arXiv
Mott insulators with boundary zeros
Niklas Wagner, Lorenzo Crippa, Adriano Amaricci, Philipp Hansmann, Marcel Klett, Elio König, Thomas Schäfer, Domenico Di Sante, Jennifer Cano, Andrew Millis, Antoine Georges, Giorgio Sangiovanni
Nature Communications 14, 7531 (2023), arXiv
Strongly correlated superconductivity with long-range spatial fluctuations
Motoharu Kitatani, Ryotaro Arita, Thomas Schäfer, Karsten Held
J. Phys. Mater. 5, 034005 (2022), arXiv
Magnetic correlations in infinite-layer nickelates: an experimental and theoretical multi-method study
R. A. Ortiz, P. Puphal, M. Klett, F. Hotz, R. K. Kremer, H. Trepka, M. Hemmida, H.-A. Krug von Nidda, M. Isobe, R. Khasanov, H. Luetkens, P. Hansmann, B. Keimer, T. Schäfer, M. Hepting
Physical Review Research 4, 023093 (2022), arXiv
The Hubbard model: A computational perspective
Mingpu Qin, Thomas Schäfer, Sabine Andergassen, Philippe Corboz, Emanuel Gull
Annual Review of Condensed Matter Physics 13, 275-302 (2022), arXiv, popular summary (MPI-FKF)
Magnetic properties and pseudogap formation in infinite-layer nickelates: insights from the single-band Hubbard model
Marcel Klett, Philipp Hansmann, and Thomas Schäfer
Frontiers in Physics 10, 834682 (2022) in "Advances in Superconducting Infinite-Layer and Related Nickelates", arXiv
Comparing the effective enhancement of local and non-local spin-orbit couplings on honeycomb lattices due to strong electronic correlations
Markus Richter, Johannes Graspeuntner, Thomas Schäfer, Nils Wentzell, Markus Aichhorn
Phys. Rev. B 104, 195107 (2021), arXiv
Mott insulating states with competing orders in the triangular lattice Hubbard model
Alexander Wietek, Riccardo Rossi, Fedor Šimkovic IV, Marcel Klett, Philipp Hansmann, Michel Ferrero, E. Miles Stoudenmire, Thomas Schäfer, and Antoine Georges
Phys. Rev. X 11, 041013 (2021), arXiv, popular summary (MPI-FKF), popular summary (Simons Foundation)
Tracking the Footprints of Spin Fluctuations: A Multi-Method, Multi-Messenger Study of the Two-Dimensional Hubbard Model
Thomas Schäfer, Nils Wentzell, Fedor Šimkovic IV, Yuan-Yao He, Cornelia Hille, Marcel Klett, Christian J. Eckhardt, Behnam Arzhang, Viktor Harkov, François-Marie Le Régent, Alfred Kirsch, Yan Wang, Aaram J. Kim, Evgeny Kozik, Evgeny A. Stepanov, Anna Kauch, Sabine Andergassen, Philipp Hansmann, Daniel Rohe, Yuri M. Vilk, James P. F. LeBlanc, Shiwei Zhang, A.-M. S. Tremblay, Michel Ferrero, Olivier Parcollet, Antoine Georges
Phys. Rev. X 11, 011058 (2021), arXiv, popular summary (MPI-FKF), popular summary (Simons Foundation)
How to read between the lines of electronic spectra: the diagnostics of fluctuations in strongly correlated electron systems
Thomas Schäfer and Alessandro Toschi
Journal of Physics: Condensed Matter, Special Issue: Emergent Leaders 2020 (2021), arXiv
Fingerprints of the local moment formation and its Kondo screening in the generalized susceptibilities of many-electron problems
P. Chalupa, T. Schäfer, M. Reitner, D. Springer, S. Andergassen, and A. Toschi
Phys. Rev. Lett. 126, 056403 (2021), arXiv, popular summary (TU Wien)
Anisotropy of electronic correlations: On the applicability of local theories to layered materials
B. Klebel-Knobloch, T. Schäfer, A. Toschi, and J. M. Tomczak
Phys. Rev. B 103, 045121 (2021), arXiv
Real-space cluster dynamical mean-field theory: Center focused extrapolation on the one- and two particle level
M. Klett, N. Wentzell, T. Schäfer, F. Simkovic IV, O. Parcollet, S. Andergassen, and P. Hansmann
Phys. Rev. Research 2, 033476 (2020), arXiv
Quantum criticality in the two-dimensional periodic Anderson model
T. Schäfer, A. A. Katanin, M. Kitatani, A. Toschi, and K. Held
Phys. Rev. Lett. 122, 227201 (2019), arXiv
Why the critical temperature of high-Tc cuprate superconductorsis so low: The importance of the dynamical vertex structure
M. Kitatani, T. Schäfer, H. Aoki, and K. Held
Phys. Rev. B 99, 041115(R) (2019), arXiv
Divergences of the irreducible vertex functions in correlated metallic systems: Insights from the Anderson Impurity Model
P. Chalupa, P. Gunacker, T. Schäfer, K. Held, and A. Toschi
Phys. Rev. B 97, 245136 (2018), arXiv
Complementary views on electron spectra: From Fluctuation Diagnostics to real space correlations
O. Gunnarsson, J. Merino, T. Schäfer, G. Sangiovanni, G. Rohringer, and A. Toschi
Phys. Rev. B 97, 125134 (2018), arXiv
Breakdown of traditional many-body theories for correlated electrons
O. Gunnarsson, G. Rohringer, T. Schäfer, G. Sangiovanni, and A. Toschi
Phys. Rev. Lett. 119, 056402 (2017), arXiv
Interplay of correlations and Kohn anomalies in three dimensions: quantum criticality with a twist
T. Schäfer, A. A. Katanin, K. Held, and A. Toschi
Phys. Rev. Lett. 119, 046402 (2017), arXiv, popular summary (TU Wien)
Non-perturbative landscape of the Mott-Hubbard transition: Multiple divergence lines around the critical endpoint
T. Schäfer, S. Ciuchi, M. Wallerberger, P. Thunström, O. Gunnarsson, G. Sangiovanni, G. Rohringer, and A. Toschi
Phys. Rev. B 94, 235108 (2016), arXiv
Parquet decomposition calculations of the electronic self-energy
O. Gunnarsson, T. Schäfer, J. P. F. LeBlanc, J. Merino, G. Sangiovanni, G. Rohringer, and A. Toschi
Phys. Rev. B 93, 245102 (2016), arXiv
Momentum structure of the self-energy and its parametrization for the two-dimensional Hubbard model
P. Pudleiner, T. Schäfer, D. Rost, G. Li, K. Held, and N. Blümer
Phys. Rev. B 93, 195134 (2016), arXiv
Fluctuation Diagnostics of the Electron Self-Energy: Origin of the Pseudogap Physics
O. Gunnarsson, T. Schäfer, J. LeBlanc, E. Gull, J. Merino, G. Sangiovanni, G. Rohringer, and A. Toschi
Phys. Rev. Lett. 114, 236402 (2015), arXiv, popular summary (TU Wien)
Separability of dynamical and nonlocal correlations in three dimensions
T. Schäfer, A. Toschi, and Jan M. Tomczak
Phys. Rev. B 91, 121107(R) (2015), arXiv
Fate of the false Mott-Hubbard transition in two dimensions
T. Schäfer, F. Geles, D. Rost, G. Rohringer, E. Arrigoni, K. Held, N. Blümer, M. Aichhorn, and A. Toschi
Phys. Rev. B 91, 125109 (2015), arXiv
Dynamical vertex approximation in its parquet implementation: Application to Hubbard nanorings
A. Valli, T. Schäfer, P. Thunström, G. Rohringer, S. Andergassen, G. Sangiovanni, K. Held, and A. Toschi
Phys. Rev. B 91, 115115 (2015), arXiv
Divergent Precursors of the Mott-Hubbard Transition at the Two-Particle Level
T. Schäfer, G. Rohringer, O. Gunnarsson, S. Ciuchi, G. Sangiovanni, and A. Toschi
Phys. Rev. Lett. 110, 246405 (2013), arXiv, popular summary (TU Wien)
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Conference Proceedings and other publications
Das Ganze ist mehr als die Summe seiner Teile – neue Perspektiven auf komplexe Quantensysteme mit vielen Teilchen
Thomas Schäfer
Yearbook of the Max Planck Society 2022
Fluctuation Diagnostics of Electronic Spectra
O. Gunnarsson, T. Schäfer, J. LeBlanc, E. Gull, J. Merino, G. Sangiovanni, G. Rohringer, and A. Toschi
Proceedings of the Vienna Young Scientists Symposium, 9.-10.06.2016
Dynamical vertex approximation for the two-dimensional Hubbard model
T. Schäfer, A. Toschi, and K. Held
J. Magn. Magn. Mater. 400, 107–111 (2015), arXiv
Development of the digital storage Fuon
H. Ostad-Ahmad-Ghorabi, T. Schäfer, A. Spielauer, G. Aschinger, and D. Collado-Ruiz
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Theses
Classical and quantum phase transitions in strongly correlated electron systems
PhD Thesis, Supervisors: Prof. Karsten Held and Prof. Alessandro Toschi
TU Wien (2016)
Electronic correlations at the two-particle level
MSc Thesis, Supervisor: Prof. Alessandro Toschi
TU Wien (2013)