Journal Articles

Bonetti, P. M., Toschi, A., Hille, C., Andergassen, S., & Vilardi, D. (2022). Single-boson exchange representation of the functional renormalization group for strongly interacting many-electron systems. Physical Review Research (PRResearch), 4(1), Article 013034. https://doi.org/10.1103/PhysRevResearch.4.013034 ( reposiTUm)
Chalupa-Gantner, P., Kugler, F. B., Hille, C., von Delft, J., Andergassen, S., & Toschi, A. (2022). Fulfillment of sum rules and Ward identities in the multiloop functional renormalization group solution of the Anderson impurity model. Physical Review Research (PRResearch), 4, Article 023050. https://doi.org/10.1103/PhysRevResearch.4.023050 ( reposiTUm)
Fraboulet, K., Heinzelmann, S., Bonetti, P. M., Al-Eryani, A., Vilardi, D., Toschi, A., & Andergassen, S. (2022). Single-boson exchange functional renormalization group application to the two-dimensional Hubbard model at weak coupling. The European Physical Journal B, 95, Article 202. https://doi.org/10.1140/epjb/s10051-022-00438-2 ( reposiTUm)
Chalupa, P., Schäfter, T., Reitner, M., Springer, D., Andergassen, S., & Toschi, A. (2021). Fingerprints of the Local Moment Formation and its Kondo Screening in the Generalized Susceptibilities of Many-Electron Problems. Physical Review Letters, 126(056403). https://doi.org/10.1103/physrevlett.126.056403 ( reposiTUm)
Schäfer, T., Wentzell, N., Simkovic, F., He, Y.-Y., Hille, C., Klett, M., Eckhardt, C. J., Arzhang, B., Harkov, V., Le Régent, F.-M., Kirsch, A., Wang, Y., Kim, A. J., Kozik, E., Stepanov, E. A., Kauch, A., Andergassen, S., Hansmann, P., Rohe, D., … Georges, A. (2021). Tracking the Footprints of Spin Fluctuations: A MultiMethod, MultiMessenger Study of the Two-Dimensional Hubbard Model. Physical Review X, 11(011058). https://doi.org/10.1103/physrevx.11.011058 ( reposiTUm)
Hille, C., Kugler, F. B., Eckhardt, C., He, Y.-Y., Kauch, A. K., Honerkamp, C., Toschi, A., & Andergassen, S. (2020). Quantitative functional renormalization group description of the two-dimensional Hubbard model. Physical Review Physics Education Research, 2(033372). https://doi.org/10.1103/physrevresearch.2.033372 ( reposiTUm)
Wentzell, N., Li, G., Tagliavini, A., Taranto, C., Rohringer, G., Held, K., Toschi, A., & Andergassen, S. (2020). High-frequency asymptotics of the vertex function: Diagrammatic parametrization and algorithmic implementation. Physical Review B, 102(085106). https://doi.org/10.1103/physrevb.102.085106 ( reposiTUm)
Tagliavini, A., Hille, C., Kugler, F., Andergassen, S., Toschi, A., & Honerkamp, C. (2019). Multiloop functional renormalization group for the two-dimensional Hubbard model: Loop convergence of the response functions. SciPost Physics, 6(009). https://doi.org/10.21468/scipostphys.6.1.009 ( reposiTUm)
Tagliavini, A., Hummel, S., Wentzell, N., Andergassen, S., Toschi, A., & Rohringer, G. (2018). Efficient Bethe-Salpeter equation treatment in dynamical mean-field theory. Physical Review B, 97(235140). https://doi.org/10.1103/physrevb.97.235140 ( reposiTUm)
Wentzell, N., Florens, S., Meng, T., Meden, V., & Andergassen, S. (2016). Magnetoelectric spectroscopy of Andreev bound states in Josephson quantum dots. Physical Review B, 94(085151). https://doi.org/10.1103/physrevb.94.085151 ( reposiTUm)
Valli, A., Schäfer, T., Thunström, P., Rohringer, G., Andergassen, S., Sangiovanni, G., Held, K., & Toschi, A. (2015). Dynamical vertex approximation in its parquet implementation: Application to Hubbard nanorings. Physical Review B, 91(115115). https://doi.org/10.1103/physrevb.91.115115 ( reposiTUm)
Wentzell, N., Taranto, C., Katanin, A., Toschi, A., & Andergassen, S. (2015). Correlated starting points for the functional renormalization group. Physical Review B, 91(045120). https://doi.org/10.1103/physrevb.91.045120 ( reposiTUm)
Donsa, S., Andergassen, S., & Held, K. (2014). Double quantum dot as a minimal thermoelectric generator. Physical Review B, 89(125103). https://doi.org/10.1103/physrevb.89.125103 ( reposiTUm)
Taranto, C., Andergassen, S., Bauer, J., Held, K., Katanin, A., Metzner, W., Rohringer, G., & Toschi, A. (2014). From Infinite to Two Dimensions through the Functional Renormalization Group. Physical Review Letters, 112(196402). https://doi.org/10.1103/physrevlett.112.196402 ( reposiTUm)

Presentations

Patricolo, M., Heinzelmann, S., Bonetti, P. M., Vilardi, D., & Andergassen, S. (2023, May 4). Pseudogap opening in the Hubbard model at strong coupling [Poster Presentation]. Exploring New Topics with Functional Renormalisation, Germany. ( reposiTUm)
Andergassen, S. (2023, May 8). Machine learning dynamics of quantum systems [Presentation]. TACO Colloquium, Austria. ( reposiTUm)
Krämer, M., Fraboulet, K., Vilardi, D., Bonetti, P. M., Meixner, M., Schäfer, T., & Andergassen, S. (2023, July 24). Cluster extension of DMF2RG [Poster Presentation]. Workshop “Correlations in Novel Quantum Materials” 2023, Stuttgart, Germany. ( reposiTUm)
Andergassen, S. (2023, April 13). Machine learning dynamics of quantum systems [Conference Presentation]. Machine Learning and (Quantum) Physics Workshop 2023, Obergurgl, Austria. ( reposiTUm)
Patricolo, M., Vilardi, D., Heinzelmann, S., Andergassen, S., & Bonetti, V. (2023, July 24). Pseudogap opening in the Hubbard model at strong coupling [Poster Presentation]. Workshop “Correlations in Novel Quantum Materials” 2023, Germany. ( reposiTUm)
Fraboulet, K., Al-Eryani, A., Andergassen, S., & Heinzelmann, S. (2023, July 24). Single-boson-exchange functional renormalization group and its application to the Hubbard model [Poster Presentation]. Workshop “Correlations in Novel Quantum Materials” 2023, Germany. ( reposiTUm)
Meixner, M., Klett, M., Heinzelmann, S., Wentzell, N., Hansmann, P., Andergassen, S., & Schäfer, T. (2023, July 24). The Mott metal-insulator transition in the two-dimensional Hubbard model - a cellular dynamical mean-field study on large clusters [Poster Presentation]. Workshop “Correlations in Novel Quantum Materials” 2023, Germany. http://hdl.handle.net/20.500.12708/187908 ( reposiTUm)
Fraboulet, K., Heinzelmann, S., Al-Eryani, A., Bonetti, P. M., Vilardi, D., Toschi, A., & Andergassen, S. (2023, May 4). Multiloop single-boson-exchange fRG and its application to the two-dimensional Hubbard model [Poster Presentation]. Exploring New Topics with Functional Renormalisation, Germany. http://hdl.handle.net/20.500.12708/187801 ( reposiTUm)
Al-Eryani, A., Heinzelmann, S., Fraboulet, K., Scherer, M., & Andergassen, S. (2023, July 24). Efficient fRG flow equations for extended interactions and an application to the square and triangular lattices [Poster Presentation]. Workshop “Correlations in Novel Quantum Materials” 2023, Germany. ( reposiTUm)
Fraboulet, K., & Andergassen, S. (2023, September 6). Single-boson-exchange functional renormalization group and its application to the Hubbard model [Conference Presentation]. numErical MEthods for fRG in condENsed maTter, Germany. ( reposiTUm)
Al-Eryani, A., Scherer, M., & Andergassen, S. (2023, September 5). Single Boson Exchange fRG for Extended Hubbard Interactions [Poster Presentation]. numErical MEthods for fRG in condENsed maTter, Germany. ( reposiTUm)
Al-Eryani, A., & Andergassen, S. (2023, September 6). Modular fRG Code for Lattice Fermion Systems: Challenges, Strategies and Ideas [Conference Presentation]. numErical MEthods for fRG in condENsed maTter, Germany. ( reposiTUm)
Krämer, M., & Andergassen, S. (2023, September 5). Cluster Extension of DMF2RG [Poster Presentation]. numErical MEthods for fRG in condENsed maTter, Germany. ( reposiTUm)
Patricolo, M., & Andergassen, S. (2023, September 5). Functional Renormalization Group Analysis of the Pseudogap Opening in the Hubbard Model [Poster Presentation]. numErical MEthods for fRG in condENsed maTter, Germany. ( reposiTUm)
Andergassen, S. (2023, September 21). Correlations on all length scales  in the Hubbard model and beyond [Conference Presentation]. PHD-WORKSHOP FOR 5413, Germany. ( reposiTUm)
Al-Eryani, A., Heinzelmann, S., & Andergassen, S. (2023, September 18). fRG analysis of the extended Hubbard model - SBE fluctuation diagnostics of screening [Poster Presentation]. Autumn School on Correlated Electrons: Orbital Physics in Correlated Matter, Germany. ( reposiTUm)
Li, G., Wentzell, N., Tagliavini, A., Taranto, C., Rohringer, G., Held, K., Toschi, A., & Andergassen, S. (2016). High-frequency asymptotics of the vertex function: diagrammatic parametrization High-frequency asymptotics of the and algorithmic implementation. SFB ViCoM Workshop, Wien, Austria. http://hdl.handle.net/20.500.12708/132971 ( reposiTUm)
Tagliavini, A., Wentzell, N., Li, G., Taranto, C., Rohringer, G., Held, K., Toschi, A., & Andergassen, S. (2016). High-frequency aysmptotics of the local vertex function: algorithmic implementations. Deutsche Physikalische Gesellschaft (DPG) Frühjahrstagung 2016, Hannover/Deutschland, EU. http://hdl.handle.net/20.500.12708/133109 ( reposiTUm)
Wentzell, N., Li, G., Taranto, C., Rohringer, G., Tagliavini, A., Held, K., Andergassen, S., & Toschi, A. (2015). Frequency structures in the 1PI vertex with fRGdyn. NGSCES 2015: The New Generation in Strongly Correlated Electron Systems, Trogir; Croatia, EU. http://hdl.handle.net/20.500.12708/132345 ( reposiTUm)
Wentzell, N., Li, G., Taranto, C., Rohringer, G., Tagliavini, A., Held, K., Andergassen, S., & Toschi, A. (2015). Frequency structures in the 1PI vertex with fRGdyn. ViCom Workshop, Stadtschlaining/A, Austria. http://hdl.handle.net/20.500.12708/132346 ( reposiTUm)
Wentzell, N., Taranto, C., Katanin, A., Toschi, A., & Andergassen, S. (2014). Non-perturbative starting point for the functional renormalization group. ERG2014 - 7th International Conference on the Exact Renormalization Group, Lefkade, Griechenland, EU. http://hdl.handle.net/20.500.12708/131728 ( reposiTUm)
Valli, A., Schäfer, T., Rohringer, G., Thunström, P., Andergassen, S., Held, K., Sangiovanni, G., & Toschi, A. (2014). Non-local spatial correlations in low-dimensional nanostructures. ViCoM Conference; From Electrons to Phase Transitions, Wien, Österreich, Austria. http://hdl.handle.net/20.500.12708/131691 ( reposiTUm)
Valli, A., Schäfer, T., Rohringer, G., Thunström, P., Andergassen, S., Sangiovanni, G., & Toschi, A. (2013). Non-local spatial correlations in low-dimensional nanostructures. 545. WE-Heraeus-Seminar on Superconducting Proximity and Josephson Effects in Nanoscale Systems, Bad Honnef, Deutschland, EU. http://hdl.handle.net/20.500.12708/130969 ( reposiTUm)

Special Contributions

Dräger, N., Di Sante, D., Toschi, A., & Andergassen, S. (2023, October). Künstliche Intelligenz für Quantensysteme : Ein interdisziplinäres Forschungsprojekt an den Instituten für Information Systems Engineering und Festkörperphysik. Bulletin. Alumni-Magazin der TU Wien, 55, 20–21. http://hdl.handle.net/20.500.12708/189017 ( reposiTUm)