Publications

Journal Publications

1Quantum criticality in the two-dimensional periodic Anderson modelT. Schäfer, A. A. Katanin, M. Kitatani, A. Toschi, and K. HeldPhys. Rev. Lett. 122, 227201 (2019)
APSarXiv
2Why the critical temperature of high-Tc cuprate superconductors is so low: The importance of the dynamical vertex structureM. Kitatani, T. Schäfer, H. Aoki, and K. HeldPhys. Rev. B 99, 041115(R) (2019)APSarXiv
3Divergences of the irreducible vertex functions in correlated metallic systems: Insights from the Anderson Impurity ModelP. Chalupa, P. Gunacker, T. Schäfer, K. Held, and A. ToschiPhys. Rev. B 97, 245136 (2018)
APSarXiv
4Complementary views on electron spectra: From Fluctuation Diagnostics to real space correlationsO. Gunnarsson, J. Merino, T. Schäfer, G. Sangiovanni, G. Rohringer, and A.
Toschi
Phys. Rev. B 97, 125134 (2018)APSarXiv
5Breakdown of traditional many-body theories for correlated electronsO. Gunnarsson, G. Rohringer, T. Schäfer, G. Sangiovanni, and A. ToschiPhys. Rev. Lett. 119, 056402 (2017)APSarXiv
6Interplay of correlations and Kohn anomalies in three dimensions: quantum criticality with a twistT. Schäfer, A. A. Katanin, K. Held, and A. ToschiPhys. Rev. Lett. 119, 046402 (2017)APSarXivPR abstract
7Non-perturbative landscape of the Mott-Hubbard transition: Multiple divergence lines around the critical endpointT. Schäfer, S. Ciuchi, M. Wallerberger, P. Thunström, O. Gunnarsson, G. Sangiovanni, G. Rohringer, and A. ToschiPhys. Rev. B 94, 235108 (2016)APSarXiv
8Parquet decomposition calculations of the electronic self-energyO. Gunnarsson, T. Schäfer, J. P. F. LeBlanc, J. Merino, G. Sangiovanni, G. Rohringer, and A. ToschiPhys. Rev. B 93, 245102 (2016) featured as Editor's SuggestionAPSarXiv
9Momentum structure of the self-energy and its parametrization for the two-dimensional Hubbard modelP. Pudleiner, T. Schäfer, D. Rost, G. Li, K. Held, and N. BlümerPhys. Rev. B 93, 195134 (2016)APSarXiv
10Fluctuation Diagnostics of the Electron Self-Energy: Origin of the Pseudogap PhysicsO. Gunnarsson, T. Schäfer, J. LeBlanc, E. Gull, J. Merino, G. Sangiovanni, G. Rohringer, and A. ToschiPhys. Rev. Lett. 114, 236402 (2015)APSarXivPR abstract (German)
11Separability of dynamical and nonlocal correlations in three dimensionsT. Schäfer, A. Toschi, and Jan M. TomczakPhys. Rev. B 91, 121107(R) (2015)APSarXiv
12Fate of the false Mott-Hubbard transition in two dimensionsT. Schäfer, F. Geles, D. Rost, G. Rohringer, E. Arrigoni, K. Held, N. Blümer, M. Aichhorn, and A. ToschiPhys. Rev. B. 91, 125109 (2015)APSarXiv
13Dynamical vertex approximation in its parquet implementation: Application to Hubbard nanoringsA. Valli, T. Schäfer, P. Thunström, G. Rohringer, S. Andergassen, G. Sangiovanni, K. Held, and A.
Toschi
Phys. Rev. B 91, 115115 (2015)APSarXiv
14Divergent Precursors of the Mott-Hubbard Transition at the Two-Particle LevelT. Schäfer, G. Rohringer, O. Gunnarsson, S. Ciuchi, G. Sangiovanni, and A. ToschiPhys. Rev. Lett. 110, 246405 (2013)APSarXivPR abstract (German)

Conference Proceedings

15Fluctuation Diagnostics of Electronic SpectraO. Gunnarsson, T. Schäfer, J. LeBlanc, E. Gull, J. Merino, G. Sangiovanni, G. Rohringer, and A.
Toschi
Proceedings of the Vienna Young Scientists Symposium, 9.-10.06.2016TU WienISBN 978-3-9504017-2-1
16Dynamical vertex approximation for the two-dimensional Hubbard modelT. Schäfer, A. Toschi, and K. HeldJ. Magn. Magn. Mater. 400, 107–111 (2015)ElsevierarXiv
17Development of the digital storage FuonH. Ostad-Ahmad-Ghorabi, T. Schäfer, A. Spielauer, G. Aschinger, and D. Collado-RuizProceedings of the 19th International Conference on Engineering Design (ICED13), Design for Harmonies, Vol.2: Design Theory and Research Methodology, Seoul, Korea, 19-22.08.2013ISBN
978-1-904670-45-2

Theses

PhD ThesisClassical and quantum phase transitions in strongly correlated electron systemsSupervisors: Prof. Karsten Held and Prof. Alessandro ToschiTU Wien (2016)TU Wien
MSc ThesisElectronic correlations at the two-particle levelSupervisor: Prof. Alessandro ToschiTU Wien (2013)TU Wien