E138-02 ../ Quantum Many-Body Physics

Publications

Link to Google Scholar (public) profile of A. Toschi  here, opens an external URL in a new window

List of preprints of A. Toschi on  arXiv:cond-mat, opens an external URL in a new window

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, opens an external URL in a new window
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, opens an external URL in a new window
DMF2RG
News coverage: news/tatort-festkoerper-die-fingerabdruecke-der-quanteneffekte, opens an external URL in a new window

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, opens an external URL in a new window
DMF2RG
News coverage: press-releases/news/klebrige-elektronen, opens an external URL in a new window

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, opens an external URL in a new window
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, opens an external URL in a new window
DMF2RG
News coverage: news/attention-the-electron-is-too-fast/ , opens an external URL in a new window
https://www.diepresse.com/5876380/warum-liefern-messungen-verschiedene-resultate, opens an external URL in a new window

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, opens an external URL in a new window
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, opens an external URL in a new window
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, opens an external URL in a new window
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, opens an external URL in a new window
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, opens an external URL in a new window
FOR, QCM
news coverage: http://www.tuwien.ac.at/aktuelles/news_detail/article/8264/, opens an external URL in a new window

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, opens an external URL in a new window
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, opens an external URL in a new window
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, opens an external URL in a new window

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, opens an external URL in a new window
news coverage: http://www.tuwien.ac.at/aktuelles/news_detail/article/5568/, opens an external URL in a new window

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, opens an external URL in a new window

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, opens an external URL in a new window

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, opens an external URL in a new window
 

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

Thesis

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, opens an external URL in a new window]
 Author: P. Chalupa-Gantner
Year: 2022

• ''Dichotomy Between Local and Uniform Compressibility in Correlated Systems''
Document: Diploma thesis [pdf, opens an external URL in a new window]
 Author: M. Reitner
Year: 2020

• ''The Effect of Atomic Spin-Orbit Coupling on DFT+DMFT Calculations of LiOsO3 ''
Document: Diploma thesis [pdf, opens an external URL in a new window]
 Author: S. Adler
Year: 2019

• ''Comparison of Mott-Hubbard-transition on the Bethe-lattice and the 2D-square-lattice''
Document: Bachelor thesis [pdf, opens an external URL in a new window]
 Author: M. Pelz
Year: 2018

• ''Quantum dynamical screening of the local magnetic moment for different families of Fe-based superconductors''
Document: Diploma thesis [pdf, opens an external URL in a new window]
 Author: C. Watzenböck
Year: 2018

• ''Irreducible Vertex Divergences in Strongly Correlated Metallic Systems''
Document: Diploma thesis [pdf, opens an external URL in a new window]
Author: P. Chalupa
Year: 2017

• ''Classical and quantum phase transitions in strongly correlated electron systems''
Document: PhD thesis [pdf, opens an external URL in a new window]
Author: T. Schäfer
Year: 2016

• ''Energetics and equal-time response of strongly-coupled fermions in one and two dimensions''
Document: Diploma thesis [pdf, opens an external URL in a new window]
Author: L. Rammelmüller
Year: 2016

• ''Multidimensional Density of States for Many-Body Calculations''
Document: Bachelor thesis [pdf, opens an external URL in a new window]
Author: C. Watzenböck
Year: 2015

• ''New routes toward a theoretical treatment of nonlocal electronic correlations''
Document: PhD thesis [pdf, opens an external URL in a new window]
Author: G. Rohringer
Year: 2014

• ''Asymptotic behavior of two-particle vertex functions in dynamical mean-field theory''
Document: Diploma thesis [pdf, opens an external URL in a new window]
Author: S. Hummel
Year: 2014

• ''Electronic correlations at the nanoscale''
Document: PhD thesis [pdf, opens an external URL in a new window]
Author: A. Valli
Year: 2013

• ''Electronic correlations at the two-particle level''
Document: Diploma thesis [pdf, opens an external URL in a new window]
Author: T. Schäfer
Year: 2012