E138
Institut für Festkörperphysik

RESEARCH AREAS

Link to Google Scholar (public) profile of A. Toschi  here 

List of preprints of A. Toschi on  arXiv:cond-mat

Novel review of modern physics:

Diagrammatic routes to nonlocal correlations beyond dynamical mean field theory
G. Rohringer, H. Hafermann, A. Toschi, A. A. Katanin, A. E. Antipov, M. I. Katsnelson, A. I. Lichtenstein, A. N. Rubtsov, and K. Held
Rev. Mod. Phys. 90, 025003 (2018); DOI: https://dx.doi.org/10.1103/RevModPhys.90.025003
DMF2RG, FOR

List of selected publications:

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); DOI: https://dx.doi.org/10.1103/PhysRevLett.126.056403
DMF2RG
News coverage: news/tatort-festkoerper-die-fingerabdruecke-der-quanteneffekte

Attractive Effect of a Strong Electronic Repulsion: The Physics of Vertex Divergences
M. Reitner, P. Chalupa, L. Del Re, D. Springer, S. Ciuchi, G. Sangiovanni, and A. Toschi
Phys. Rev. Lett. 125, 196403 (2020); DOI: https://dx.doi.org/10.1103/PhysRevLett.125.196403
DMF2RG
News coverage: press-releases/news/klebrige-elektronen

Osmates on the Verge of a Hund’s-Mott Transition: The Different Fates of NaOsO₃ and LiOsO₃
D. Springer, B. Kim, P. Liu, S. Khmelevskyi, S. Adler, M. Capone, G. Sangiovanni, C. Franchini, and A. Toschi
Phys. Rev. Lett. 125, 166402 (2020); DOI: https://dx.doi.org/10.1103/PhysRevLett.125.166402
DMF2RG

Characteristic Timescales of the Local Moment Dynamics in Hund’s Metals
C. Watzenböck, M. Edelmann, D. Springer, G. Sangiovanni, and A. Toschi
Phys. Rev. Lett. 125, 086402 (2020); DOI: https://dx.doi.org/10.1103/PhysRevLett.125.086402
DMF2RG
News coverage: news/attention-the-electron-is-too-fast/
https://www.diepresse.com/5876380/warum-liefern-messungen-verschiedene-resultate

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); DOI: https://dx.doi.org/10.1103/PhysRevLett.119.056402
DMF2RG, FOR

Local magnetic moments in iron and nickel at ambient and Earth’s core conditions
A. Hausoel, M. Karolak, E. Sasioglu, A. Lichtenstein, K. Held, A. Katanin, A. Toschi, and G. Sangiovanni
Nature Communications, 8, 16062 (2017); DOI: http://dx.doi.org/10.1038/ncomms16062
FOR

Fluctuation Diagnostics of the Electron Self-Energy: Origin of the Pseudogap Physics
O. Gunnarsson, T. Schäfer, J. P. F. LeBlanc, E. Gull, J. Merino, G. Sangiovanni, G. Rohringer, and A. Toschi
Phys. Rev. Lett. 114, 236402 (2015); DOI: http://dx.doi.org/10.1103/PhysRevLett.114.236402
FOR, QCM

From Infinite to Two Dimensions through the Functional Renormalization Group
C. Taranto, S. Andergassen, J. Bauer, K. Held, A. Katanin, W. Metzner, G. Rohringer, and A. Toschi
Phys. Rev. Lett. 112, 196402 (2014); DOI: http://dx.doi.org/10.1103/PhysRevLett.112.196402
FOR, QCM

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); DOI: http://dx.doi.org/10.1103/PhysRevLett.110.246405
FOR, QCM
news coverage: http://www.tuwien.ac.at/aktuelles/news_detail/article/8264/

Local electronic correlation at the two-particle level
G. Rohringer, A. Valli, and A. Toschi
Phys. Rev. B 86, 125114 (2012); DOI: http://dx.doi.org/10.1103/PhysRevB.86.125114
FOR, QCM

Quantum dynamical screening of the local magnetic moment in Fe-based superconductors
A. Toschi, R. Arita, P. Hansmann, G. Sangiovanni, and K. Held
Phys. Rev. B 86, 064411 (2012); DOI: http://dx.doi.org/10.1103/PhysRevB.86.064411
FOR, QCM

Turning a Nickelate Fermi Surface into a Cupratelike One through Heterostructuring
P. Hansmann, X. Yang, A. Toschi, G. Khaliullin, O.K. Andersen, and K. Held
Phys. Rev. Lett. 103, 016401 (2009); DOI: http://dx.doi.org/10.1103/PhysRevLett.103.016401

Kinks in the Electronic Specific Heat
A. Toschi, M. Capone, C. Castellani, and K Held
Phys. Rev. Lett. 102, 076402 (2009); DOI: http://dx.doi.org/10.1103/PhysRevLett.102.076402
news coverage: http://www.tuwien.ac.at/aktuelles/news_detail/article/5568/

Dynamical vertex approximation: A step beyond dynamical mean-field theory
A. Toschi, A. A. Katanin, and K. Held
Phys. Rev. B 75 045118 (2007); DOI: http://dx.doi.org/10.1103/PhysRevB.75.045118

Energetic balance of the superconducting transition across the BCS—Bose Einstein crossover in the attractive Hubbard model
A. Toschi, M. Capone, and C. Castellani
PRB 72, 235118 (2005); DOI: http://dx.doi.org/10.1103/PhysRevB.72.235118

Temperature Dependence of the Optical Spectral Weight in the Cuprates: Role of Electron Correlations
A. Toschi, M. Capone, M. Ortolani, P. Calvani, S. Lupi, and C. Castellani
PRL 95, 097002 (2005); DOI: http://dx.doi.org/10.1103/PhysRevLett.95.097002

The labels below refer to the following fundings:

FOR: DFG Research Unit FOR 1346
QCM: Quantum criticality in strongly correlated magnets
DMF2RG: Merging of dynamical mean-field theory and functional renormalization group

Below you find bachelor, master, and PhD theses of group members and close collaborators.
A link will allow to download the document (if available).

• ''The nonperturbative feats of local electronic correlation: The physics of irreducible vertex divergences''
Document: PhD thesis [pdf]
 Author: P. Chalupa-Gantner
Year: 2022

• ''Dichotomy Between Local and Uniform Compressibility in Correlated Systems''
Document: Diploma thesis [pdf]
 Author: M. Reitner
Year: 2020

• ''The Effect of Atomic Spin-Orbit Coupling on DFT+DMFT Calculations of LiOsO₃ ''
Document: Diploma thesis [pdf]
 Author: S. Adler
Year: 2019

• ''Comparison of Mott-Hubbard-transition on the Bethe-lattice and the 2D-square-lattice''
Document: Bachelor thesis [pdf]
 Author: M. Pelz
Year: 2018

• ''Quantum dynamical screening of the local magnetic moment for different families of Fe-based superconductors''
Document: Diploma thesis [pdf]
 Author: C. Watzenböck
Year: 2018

• ''Irreducible Vertex Divergences in Strongly Correlated Metallic Systems''
Document: Diploma thesis [pdf]
 Author: P. Chalupa
Year: 2017

• ''Classical and quantum phase transitions in strongly correlated electron systems''
Document: PhD thesis [pdf]
 Author: T. Schäfer
Year: 2016

• ''Energetics and equal-time response of strongly-coupled fermions in one and two dimensions''
Document: Diploma thesis [pdf]
Author: L. Rammelmüller
Year: 2016

• ''Multidimensional Density of States for Many-Body Calculations''
Document: Bachelor thesis [pdf]
 Author: C. Watzenböck
Year: 2015

• ''New routes toward a theoretical treatment of nonlocal electronic correlations''
Document: PhD thesis [pdf]
 Author: G. Rohringer
Year: 2014

• ''Asymptotic behavior of two-particle vertex functions in dynamical mean-field theory''
Document: Diploma thesis [pdf]
 Author: S. Hummel
Year: 2014

• ''Electronic correlations at the nanoscale''
Document: PhD thesis [pdf]
 Author: A. Valli
Year: 2013

• ''Electronic correlations at the two-particle level''
Document: Diploma thesis [pdf]
 Author: T. Schäfer
Year: 2012