Journal Articles

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)
Roósz, G., Kauch, A. K., Bippus, F., Wieser, D., & Held, K. (2024). Two-site reduced density matrix from one- and two-particle Green’s functions. Physical Review B, 110(7), Article 075115. https://doi.org/10.1103/PhysRevB.110.075115 ( 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)
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)
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)
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)
Kappl, P., Krien, F., Watzenböck, C., & Held, K. (2023). Nonlinear responses and three-particle correlators in correlated electron systems exemplified by the Anderson impurity model. Physical Review B, 107(20), Article 205108. https://doi.org/10.1103/PhysRevB.107.205108 ( reposiTUm)
Taupin, M., Eguchi, G., Lužnik, M., Steiger-Thirsfeld, A., Ishida, Y., Kuroda, K., Shin, S., Kimura, A., & Paschen, S. (2023). Boosting the surface conduction in a topological insulator. Physical Review B, 107(23), Article 235306. https://doi.org/10.1103/PhysRevB.107.235306 ( 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)
Witt, N., Si, L., Tomczak, J. M., Held, K., & Wehling, T. O. (2023). No superconductivity in Pb₉ Cu₁ (PO₄)₆O found in orbital and spin fluctuation exchange calculations. SciPost Physics, 15(5), Article 197. https://doi.org/10.21468/SciPostPhys.15.5.197 ( 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)
Chen, L., Lowder, D. T., Bakali, E., Andrews, A. M., Schrenk, W., Waas, M., Svagera, R., Eguchi, G., Prochaska, L., Wang, Y., Setty, C., Shouvik Sur, Si, Q., Paschen, S., & Natelson, D. (2023). Shot noise in a strange metal. Science, 382(6673), 907–911. https://doi.org/10.34726/5392 ( reposiTUm)
Roósz, G., & Held, K. (2022). Density matrix of electrons coupled to Einstein phonons and the electron-phonon entanglement content of excited states. Physical Review B, 106(19), Article 195404. https://doi.org/10.1103/PhysRevB.106.195404 ( reposiTUm)

Conference Proceedings Contributions

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)

Presentations

Kauch, A. K., Roosz, G., Bippus, F., Wieser, D., & Held, K. (2024, February 15). Two-site reduced density matrix from one- and two-particle Green’s functions [Presentation]. 1st Retreat SFB Correlated Quantum Materials &  Solid State Quantum Systems, JUFA Hotel Schloss Röthelstein, Admont, Austria. http://hdl.handle.net/20.500.12708/208960 ( 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)
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)
Fischer, L., Isceri, S., Kronlachner, L., Yan, X., Svagera, R., Waas, M., Eguchi, G., Limbeck, A., Prokofiev, A., Andrews, A. M., & Bühler-Paschen, S. (2024, February 15). Synthesis of the Weyl-Kondo Semimetal Ce3Bi4Pd3 [Poster Presentation]. 1st SFB Q-M&S Retreat, Admont, Austria. http://hdl.handle.net/20.500.12708/210158 ( reposiTUm)
Fischer, L., Le Roy, G., Herbst, M., Münch, L., Nguyen, D. H., Fleischmann, A., & Bühler-Paschen, S. (2024, September 26). Towards bipartite fluctuation measurements in YbRh2Si2 [Poster Presentation]. Correlated Quantum Materials & Solid State Quantum Systems Summer School 2024, Klosterneuburg, Austria. http://hdl.handle.net/20.500.12708/210148 ( 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)
Kappl, P., Krien, F., Watzenböck, C., & Held, K. (2023, October 20). Dynamical vertex calculations for nickelate superconductors [Conference Presentation]. Workshop on Computational Approaches to Quantum Many-Body Systems 2023, Saitama, Japan. http://hdl.handle.net/20.500.12708/193350 ( 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)
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)