Wissenschaftliche Artikel

Krsnik, J., & Held, K. (2025). Local correlations necessitate waterfalls as a connection between quasiparticle band and developing Hubbard bands. Nature Communications, 16(1), Article 255. https://doi.org/10.1038/s41467-024-55465-7 ( reposiTUm)
Si, L., Wallerberger, M., Smolyanyuk, A., di Cataldo, S., Tomczak, J. M., & Held, K. (2024). Pb₁₀₋ₓ Cuₓ(PO₄)₆O: a Mott or charge transfer insulator in need of further doping for (super)conductivity. Journal of Physics: Condensed Matter, 36(6), Article 065601. https://doi.org/10.1088/1361-648X/ad0673 ( reposiTUm)
Kirschbaum, D. M., Lužnik, M., Le Roy, G., & Paschen, S. (2024). How to identify and characterize strongly correlated topological semimetals. JPhys Materials, 7(1), Article 012003. https://doi.org/10.1088/2515-7639/ad0f30 ( reposiTUm)
Adler, S., Krien, F., Chalupa-Gantner, P., Sangiovanni, G., & Toschi, A. (2024). Non-perturbative intertwining between spin and charge correlations: A “smoking gun” single-boson-exchange result. SciPost Physics, 16(2), Article 054. https://doi.org/10.21468/SciPostPhys.16.2.054 ( reposiTUm)
Si, L., Jacob, E., Wu, W., Hausoel, A., Krsnik, J., Worm, P., Di Cataldo, S., Janson, O., & Held, K. (2024). Closing in on possible scenarios for infinite-layer nickelates: Comparison of dynamical mean-field theory with angular-resolved photoemission spectroscopy. Physical Review Research (PRResearch), 6(4), Article 043104. https://doi.org/10.1103/PhysRevResearch.6.043104 ( reposiTUm)
Kiese, D., Wentzell, N., Krivenko, I., Parcollet, O., Held, K., & Krien, F. (2024). Embedded multi-boson exchange: A step beyond quantum cluster theories. Physical Review Research (PRResearch), 6(4), Article 043159. https://doi.org/10.1103/PhysRevResearch.6.043159 ( reposiTUm)
Worm, P., Reitner, M., Held, K., & Toschi, A. (2024). Fermi and Luttinger Arcs: Two Concepts, Realized on One Surface. Physical Review Letters, 133(16), Article 166501. https://doi.org/10.1103/PhysRevLett.133.166501 ( reposiTUm)
Braß, M. P., Tomczak, J. M., & Held, K. (2024). Weyl nodes in Ce₃Bi₄Pd₃ revealed by dynamical mean-field theory. Physical Review Research (PRResearch), 6(3), Article 033227. https://doi.org/10.1103/PhysRevResearch.6.033227 ( reposiTUm)
Eßl, H., Reitner, M., Sangiovanni, G., & Toschi, A. (2024). General Shiba mapping for on-site four-point correlation functions. Physical Review Research (PRResearch), 6(3), Article 033061. https://doi.org/10.1103/PhysRevResearch.6.033061 ( reposiTUm)
Poli, A., Wagner, N., Fischer, M., Toschi, A., Sangiovanni, G., & Ciuchi, S. (2024). Interacting nodal semimetals with nonlinear bands. Physical Review B, 109(4), Article 045118. https://doi.org/10.1103/PhysRevB.109.045118 ( reposiTUm)
Checkelsky, J., Bernevig, B. A., Coleman, P., Si, Q., & Paschen, S. (2024). Flat bands, strange metals and the Kondo effect. Nature Reviews Materials, 9(7), 509–526. https://doi.org/10.1038/s41578-023-00644-z ( reposiTUm)
Ding, W., Grefe, S. E., Paschen, S., & Si, Q. (2024). Anomalous Hall Effect and Quantum Criticality in Geometrically Frustrated Heavy Fermion Metals. Physical Review Letters, 133(10), 1–7. https://doi.org/10.1103/PhysRevLett.133.106504 ( reposiTUm)
Chen, L., Xie, F., Sur, S., Haoyu Hu, Paschen, S., Cano, J., & Si, Q. (2024). Emergent flat band and topological Kondo semimetal driven by orbital-selective correlations. Nature Communications, 15(1), 1–7. https://doi.org/10.1038/s41467-024-49306-w ( reposiTUm)
Setty, C., Shouvik Sur, Chen, L., Xie, F., Hu, H., Paschen, S., Cano, J., & Si, Q. (2024). Symmetry constraints and spectral crossing in a Mott insulator with Green’s function zeros. Physical Review Research (PRResearch), 6(3), 1–6. https://doi.org/10.1103/PhysRevResearch.6.L032018 ( reposiTUm)
Reitner, M., Crippa, L., Fus, D. R., Budich, J. C., Toschi, A., & Sangiovanni, G. (2024). Protection of correlation-induced phase instabilities by exceptional susceptibilities. Physical Review Research (PRResearch), 6(2), Article L022031. https://doi.org/10.1103/PhysRevResearch.6.L022031 ( reposiTUm)
Kowalski, A., Reitner, M., Del Re, L., Chatzieleftheriou, M., Amaricci, A., Toschi, A., De´ Medici, L., Sangiovanni, G., & Schäfer, T. (2024). Thermodynamic Stability at the Two-Particle Level. Physical Review Letters, 133(6), Article 066502. https://doi.org/10.1103/PhysRevLett.133.066502 ( reposiTUm)
Di Cataldo, S., Worm, P., Tomczak, J. M., Si, L., & Held, K. (2024). Unconventional superconductivity without doping in infinite-layer nickelates under pressure. Nature Communications, 15(1), Article 3952. https://doi.org/10.1038/s41467-024-48169-5 ( reposiTUm)
Braß, M. P., Si, L., & Held, K. (2024). Weyl points and spin-orbit coupling in copper-substituted lead phosphate apatite. Physical Review B, 109(8), Article 085103. https://doi.org/10.1103/PhysRevB.109.085103 ( reposiTUm)
Galeski, S., Araki, K., Forslund, O. K., Wawrzyńczak, R., Legg, H. F., Sivakumar, P. K., Miniotaite, U., Elson, F., Månsson, M., Witteveen, C., von Rohr, F. O., Baron, A. Q. R., Ishikawa, D., Li, Q., Gu, G., Zhao, L. X., Zhu, W. L., Chen, G. F., Wang, Y., … Gooth, J. (2024). Quantum oscillation signatures of the Bloch-Grüneisen temperature in the Dirac semimetal ZrTe₅. Physical Review B, 110(12), Article L121103. https://doi.org/10.1103/PhysRevB.110.L121103 ( reposiTUm)
Worm, P., Wang, Q., Kitatani, M., Biało, I., Gao, Q., Ren, X., Choi, J., Csontosová, D., Zhou, K. J., Zhou, X., Zhu, Z., Si, L., Chang, J., Tomczak, J. M., & Held, K. (2024). Spin fluctuations sufficient to mediate superconductivity in nickelates. Physical Review B, 109(23), Article 235126. https://doi.org/10.1103/PhysRevB.109.235126 ( reposiTUm)
Yu, Y., Iskakov, S., Gull, E., Held, K., & Krien, F. (2024). Unambiguous Fluctuation Decomposition of the Self-Energy: Pseudogap Physics beyond Spin Fluctuations. Physical Review Letters, 132(21), Article 216501. https://doi.org/10.1103/PhysRevLett.132.216501 ( reposiTUm)
Kirschbaum, D. M., Yan, X., Waas, M., Svagera, R., Prokofiev, A., Stöger, B., Giester, G., Rogl, P., Oprea, D.-G., Felser, C., Valenti, R., Vergniory, M. G., Custers, J., Paschen, S., & Zocco, D. A. (2024). Ce₃Bi₄Ni₃ - A large hybridization-gap variant of Ce₃Bi₄Pt₃. Physical Review Research (PRResearch), 6(2), Article 023242. https://doi.org/10.1103/PhysRevResearch.6.023242 ( reposiTUm)
Li, X., Kono, J., Si, Q., & Paschen, S. (2023). Is the optical conductivity of heavy fermion strange metals Planckian? Frontiers in Electronic Materials, 2, Article 934691. https://doi.org/10.3389/femat.2022.934691 ( reposiTUm)
Pelz, M., Adler, S., Reitner, M., & Toschi, A. (2023). Highly nonperturbative nature of the Mott metal-insulator transition: Two-particle vertex divergences in the coexistence region. Physical Review B, 108(15), Article 155101. https://doi.org/10.1103/PhysRevB.108.155101 ( reposiTUm)
Lužnik, M., Lientschnig, G., Taupin, M., Steiger-Thirsfeld, A., Prokofiev, A., & Paschen, S. (2023). Size Effect on the Thermal Conductivity of a Type-I Clathrate. Crystals, 13(3), Article 453. https://doi.org/10.3390/cryst13030453 ( reposiTUm)
Di Cataldo, S., Worm, P., Si, L., & Held, K. (2023). Absence of electron-phonon-mediated superconductivity in hydrogen-intercalated nickelates. Physical Review B, 108(17), Article 174512. https://doi.org/10.1103/PhysRevB.108.174512 ( reposiTUm)
Si, L., & Held, K. (2023). Electronic structure of the putative room-temperature superconductor Pb₉Cu(PO₄)₆O. Physical Review B, 108(12), Article L121110. https://doi.org/10.1103/PhysRevB.108.L121110 ( reposiTUm)
Vandelli, M., Kaufmann, J., Harkov, V., Lichtenstein, A. I., Held, K., & Stepanov, E. A. (2023). Extended regime of metastable metallic and insulating phases in a two-orbital electronic system. Physical Review Research (PRResearch), 5(2), Article L022016. https://doi.org/10.1103/PhysRevResearch.5.L022016 ( reposiTUm)
Liu, C.-C., Paschen, S., & Si, Q. (2023). Quantum criticality enabled by intertwined degrees of freedom. Proceedings of the National Academy of Sciences of the United States of America, 120(30), Article e2300903120. https://doi.org/10.1073/pnas.2300903120 ( reposiTUm)
Csontosová, D., Chaloupka, J., Shinaoka, H., Hariki, A., & Kuneš, J. (2023). Hidden covalent insulator and spin excitations in SrRu₂O₆. Physical Review B, 108(19), Article 195137. https://doi.org/10.1103/PhysRevB.108.195137 ( reposiTUm)
Chen, L., Setty, C., Hu, H., Garcia Vergniory, M., Grefe, S. E., Fischer, L., Yan, X., Eguchi, G., Prokofiev, A., Paschen, S., Cano, J., & Si, Q. (2022). Topological semimetal driven by strong correlations and crystalline symmetry. Nature Physics, 18(11), 1341–1346. https://doi.org/10.1038/s41567-022-01743-4 ( reposiTUm)
Dzsaber, S., Zocco, D. A., McCollam, A., Weickert, F., McDonald, R., Taupin, M., Eguchi, G., Yan, X., Prokofiev, A., Tang, L. M. K., Vlaar, B., Winter, L. E., Jaime, M., Si, Q., & Paschen, S. (2022). Control of electronic topology in a strongly correlated electron system. Nature Communications, 13(1), Article 5729. https://doi.org/10.1038/s41467-022-33369-8 ( reposiTUm)
Dong, X., Del Re, L., Toschi, A., & Gull, E. (2022). Mechanism of superconductivity in the Hubbard model at intermediate interaction strength. Proceedings of the National Academy of Sciences, 119(33), 1–6. https://doi.org/10.1073/pnas.2205048119 ( reposiTUm)
Mazza, F., Portnichenko, P. Y., Avdoshenko, S., Steffens, P., Boehm, M., Choi, E. S., Nikolo, M., Yan, X., Prokofiev, A., Paschen, S., & Inosov, D. S. (2022). Cascade of magnetic-field-driven quantum phase transitions in Ce3Pd20Si6. Physical Review B, 105(17), 174429-1-174429–11. https://doi.org/10.1103/PhysRevB.105.174429 ( reposiTUm)

Beiträge in Tagungsbänden

Bühler-Paschen, S. (2024). Topological semimetals in heavy fermion compounds. In IV International Conference CONDENSED MATTER & LOW-TEMPERATURE PHYSICS (pp. 51–51). ( reposiTUm)
Bühler-Paschen, S. (2024). Designing strongly correlated topological semimetals. In 2024 Rice Quantum Workshop on Quantum Material Synthesis (pp. 17–17). ( reposiTUm)
Bühler-Paschen, S. (2024). Topological semimetals in heavy fermion compounds. In MRS Spring Meeting Abstracts (pp. 854–855). ( reposiTUm)
Kirschbaum, D. M., Chen, L., Zocco, D. A., Hu, H., Mazza, F., Larrea Jiménez, J. A., Strydom, A. M., Adroja, D., Yan, X., Prokofiev, A., Si, Q., & Bühler-Paschen, S. (2024). Emergent topological semimetal. In ICM 2024 - Book of Abstracts. 22nd International Conference on Magnetism (ICM2024), Bologna, Italy. http://hdl.handle.net/20.500.12708/211077 ( reposiTUm)
Bühler-Paschen, S. (2023). Strongly correlated topological semimetals. In Interfacing Low and High-Energy Physics with Topological Matter. 797. WE-Heraeus-Seminar, Bad Honnef, Germany. ( reposiTUm)
Eßl, H., Reitner, M., & Toschi, A. (2023). Breakdown of the Many-Electron Perturbation Expansion beyond Particle-Hole Symmetry. In DPG-Frühjahrstagung der DPG (pp. 758–758). Deutsche Physikalische Gesellschaft. ( reposiTUm)
Luznik, M., Lientschnig, G., Taupin, M., Steiger-Thirsfeld, A., Yan, X., Prokofiev, A., & Bühler-Paschen, S. (2023). Suppressing the thermal conductivity of type-I clathrates by mesostructuring. In C. Drasar & J. Hejtmánek (Eds.), 19th European Conference on Thermoelectrics : Book of Abstracts (pp. 117–117). University of Pardubice. ( reposiTUm)
Moghadas, E., Reitner, M., Watzenböck, C. U., Sangiovanni, G., & Toschi, A. (2023). Long-Term Memory Magnetic Morrelations driven by Local Electronic Correlations. In Verhandlungen der Deutschen Physikalischen Gesellschaft (pp. 758–758). http://hdl.handle.net/20.500.12708/193591 ( reposiTUm)
Held, K. (2022). Beyond DMFT: Spin Fluctuations, Pseudogaps and Superconductivity. In E. Pavarini, E. Koch, A. I. Lichtenstein, & D. Vollhardt (Eds.), Dynamical Mean-Field Theory of Correlated Electrons Modeling and Simulation (pp. 11.2-11.30). http://hdl.handle.net/20.500.12708/139236 ( reposiTUm)

Präsentationen

Toschi, A., Moghadas, E., & Streuselberger Florian. (2024, September 18). Influence of many-body-spectrum degeneracies on thermodynamic properties [Presentation]. Autumn School on Correlated Electrons: Correlations and Phase Transitions, Jülich, Germany. ( reposiTUm)
Eßl, H., Reitner, M., & Toschi, A. (2024, September 26). Convergence of self-consistent schemes: How to stay on the physical track [Poster Presentation]. ISTA School: Correlated Quantum Materials & Solid State Quantum Systems, Klosterneuburg, Austria. ( reposiTUm)
Toschi, A. (2024, May 22). “Fluctuation diagnostics” of pseudogap and d-wave superconductivity in the 2D Hubbard model [Presentation]. Theory Seminar at the University of Brno, Brno, Czechia. ( reposiTUm)
Toschi, A. (2024, May 29). An application to diagrmmatic extensions of dynamical mean-field theory, with applications of dynamical vertex approximation [Presentation]. International Summer School on Computational Quantum Materials 2024, Québec, Canada. ( reposiTUm)
Haunschmied Nikolaus, Moghadas, E., Watzenböck, C. U., & Toschi, A. (2024, September 18). Characteristic timescales of on-site magnetic fluctuations across the Mott transition [Presentation]. Autumn School on Correlated Electrons: Correlations and Phase Transitions 2024, Jülich, Germany. ( reposiTUm)
Eßl, H. (2024, September 6). Breakdown of self-consistent perturbation expansion: New perspectives and algorithmic implications [Conference Presentation]. QUAST-Student-for-Student retreat, Dresden, Germany. http://hdl.handle.net/20.500.12708/211987 ( reposiTUm)
Kirschbaum, D. M., Zocco, D. A., Mazza, F., Larrea Jiménez, J. A., Strydom, A. M., Yan, X., Prokofiev, A., & Bühler-Paschen, S. (2024, March 5). Interplay of Weyl-Kondo physics and quantum criticality in the Kondo semimetal CeRu4Sn6 [Conference Presentation]. APS March Meeting 2024, Minneapolis, United States of America (the). http://hdl.handle.net/20.500.12708/209448 ( reposiTUm)
Eßl, H., Reitner, M., Toschi, A., & Sangiovanni, G. (2024, May 20). General Shiba mapping for on-site four-point correlation functions [Poster Presentation]. 7th International summer school on Computational Quantum Materials 2024, Québec, Canada. http://hdl.handle.net/20.500.12708/209536 ( reposiTUm)
Eßl, H., Reitner, M., Toschi, A., & Sangiovanni, G. (2024, February 27). General Shiba mapping for on-site four-point correlation functions [Poster Presentation]. QUAST-CCQ workshop, New York, United States of America (the). http://hdl.handle.net/20.500.12708/209527 ( reposiTUm)
Moghadas, E., Dräger, N., Toschi, A., Zang, J., Medvidovic Matija, Kiese, D., Anirvan M. Sengupta, Andrew J. Millis, Andergassen, S., & Domenico Di Sante. (2024, May 20). Compressing the two-particle Green’s function using wavelets: Theory and application to the Hubbard atom [Poster Presentation]. International Summer School on Computational Quantum Materials 2024, Québec, Canada. http://hdl.handle.net/20.500.12708/210038 ( reposiTUm)
Kirschbaum, D. M., Chen, L., Zocco, D. A., Hu, H., Mazza, F., Strydom, A. M., Adroja, D., Yan, X., Prokofiev, A., Si, Q., & Bühler-Paschen, S. (2024, September 10). Emergent topological semimetal [Poster Presentation]. QUAST - international conference 2024, Dresden, Germany. http://hdl.handle.net/20.500.12708/209471 ( reposiTUm)
Kirschbaum, D. M., Chen, L., Zocco, D. A., Hu, H., Mazza, F., Larrea Jiménez, J. A., Strydom, A. M., Adroja, D., Yan, X., Prokofiev, A., Si, Q., & Bühler-Paschen, S. (2024, September 16). Emergent topological semimetal [Poster Presentation]. Bad Honnef Physics School - Next generation Quantum Materials: Correlations and magnetism meet topology, Bad Honnef, Germany. http://hdl.handle.net/20.500.12708/209482 ( reposiTUm)
Toschi, A. (2023, May). Merging Dynamical Mean-field Theory and Functional Renormalization Group for Correlated Electrons: A Stepping-stone for Mastering the Nonperturbative Regime in Two Dimensions [Conference Presentation]. Exploring New Topics with Functional Renormalisation, Bad Honnef, Germany. http://hdl.handle.net/20.500.12708/193287 ( reposiTUm)
Toschi, A. (2023, July). Characteristic Timescales and Longterm- Memory Effects in Correlated Many-Electron Systems [Conference Presentation]. Workshop “Correlations in Novel Quantum Materials” 2023, Stuttgart, Germany. http://hdl.handle.net/20.500.12708/193289 ( reposiTUm)
Eßl, H., Reitner, M., & Toschi, A. (2023, August 30). Vertex Divergences and the End of Self-Consistent Perturbation Theory [Poster Presentation]. TRIQS Summer School 2023, Paris, France. http://hdl.handle.net/20.500.12708/194324 ( reposiTUm)
Kappl, P., Krien, F., Watzenböck, C. U., & Held, K. (2023, November 13). Nickelate superconductivity - theory [Conference Presentation]. Ringberg Symposium 2023, Rottach-Egern, Germany. http://hdl.handle.net/20.500.12708/193742 ( reposiTUm)
Luznik, M., Lientschnig, G., Taupin, M., Steiger-Thirsfeld, A., Prokofiev, A., & Bühler-Paschen, S. (2023, March 30). Size effects on thermal transport of type-I clathrates [Presentation]. Symposium on Advances in Thermoelectric Materials Research 2023, Wien, Austria. ( reposiTUm)
Reumann, N., Kirschbaum, D. M., Zocco, D. A., Luznik, M., Dzsaber, S., Taupin, M., Eguchi, G., Yan, X., Prokofiev, A., & Bühler-Paschen, S. (2023, May 22). Nonlinear transport in Weyl-Kondo semimetals [Poster Presentation]. Cryocourse 2023, Espoo, Finland. ( reposiTUm)
Kitatani, M., Si, L., Worm, P., Tomczak, J. M., Arita, R., & Held, K. (2023, November 27). Nickelate superconductors calculated by dynamical vertex approximation [Conference Presentation]. DMFT-QE Symposium 2023, New York, United States of America (the). http://hdl.handle.net/20.500.12708/193351 ( reposiTUm)
Moghadas, E., Reitner, M., Toschi, A., & Sangiovanni, G. (2023, August 30). Enhancement of Electron-Phonon Coupling due to Nonperturbative Many-Electron Effects [Poster Presentation]. TRIQS Summer School 2023, Paris, France. http://hdl.handle.net/20.500.12708/194325 ( reposiTUm)
Moghadas, E., Eßl, H., Reitner, M., Toschi, A., & Sangiovanni, G. (2023, March 31). Breakdown of the Many-Electron Perturbation Expansion: Fundamental Aspects and Physical Consequences [Poster Presentation]. QUAST Retreat, Leipzig, Germany. http://hdl.handle.net/20.500.12708/192957 ( reposiTUm)
Held, K. (2022, October 4). Beyond DMFT: Spin Fluctuations, Pseudogaps and Superconductivity [Conference Presentation]. Autumn School on Correlated Electrons: Dynamical Mean-Field Theory of Correlated Electrons, Jülich, Germany. ( reposiTUm)

Preprints

Kirschbaum, D. M., Chen, L., Zocco, D. A., Hu, H., Mazza, F., Larrea Jiménez, J. A., Strydom, A. M., Adroja, D., Yan, X., Prokofiev, A., Si, Q., & Paschen, S. (2024). Emergent Topological Semimetal. arXiv. https://doi.org/10.48550/arXiv.2404.15924 ( reposiTUm)
Sur, S., Chen, L., Wang, Y., Setty, C., Paschen, S., & Si, Q. (2024). Fully nonequilibrium Hall response from Berry curvature. arXiv. https://doi.org/10.48550/arXiv.2411.16675 ( reposiTUm)
Fang, Y., Mahankali, M., Wang, Y., Chen, L., Hu, H., Paschen, S., & Si, Q. (2024). Amplified entanglement witnessed in a quantum critical metal. arXiv. https://doi.org/10.48550/arXiv.2402.18552 ( reposiTUm)
Mazza, F., Biswas, S., Yan, X., Prokofiev, A., Steffens, P., Si, Q., Assaad, F. F., & Paschen, S. (2024). Quantum Fisher information in a strange metal. arXiv. https://doi.org/10.48550/arXiv.2403.12779 ( reposiTUm)
Checkelsky, J., Bernevig, B. A., Coleman, P., Si, Q., & Bühler-Paschen, S. (2023). Flat bands, strange metals, and the Kondo effect. arXiv. https://doi.org/10.48550/arXiv.2312.10659 ( reposiTUm)
Setty, C., Sur, S., Chen, L., Xie, F., Hu, H., Bühler-Paschen, S., Cano, J., & Si, Q. (2023). Symmetry constraints and spectral crossing in a Mott insulator with Green’s function zeros. arXiv. https://doi.org/10.48550/arXiv.2301.13870 ( reposiTUm)
Kirschbaum, D. M., Yan, X., Waas, M., Svagera, R., Prokofiev, A., Stöger, B., Rogl, P., Oprea, D.-G., Felser, C., Valentí, R., Garcia Vergniory, M., Custers, J., Bühler-Paschen, S., & Zocco, D. A. (2023). The new heavy fermion compound Ce₃Bi₄Ni₃. arXiv. https://doi.org/10.48550/arXiv.2311.17903 ( reposiTUm)
Yiming Wang, Setty, C., Shouvik Sur, Liyang Chen, Bühler-Paschen, S., Douglas Natelson, & Si, Q. (2022). Shot noise as a characterization of strongly correlated metals. https://doi.org/10.48550/arXiv.2211.11735 ( reposiTUm)
Lei Chen, Fang Xie, Shouvik Sur, Haoyu Hu, Bühler-Paschen, S., Cano, J., & Si, Q. (2022). Emergent flat band and topological Kondo semimetal driven by orbital-selective correlations. arXiv. https://doi.org/10.48550/arXiv.2212.08017 ( reposiTUm)