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TT: Fachverband Tiefe Temperaturen

TT 67: Unconventional Superconductors

Thursday, March 21, 2024, 09:30–13:15, H 3007

09:30 TT 67.1 Invited Talk: Giant lattice softening at a uniaxial-pressure-tuned Lifshitz transition in the unconventional superconductor Sr2RuO4 — •Hilary M. L. Noad
10:00 TT 67.2 Measurements of the elastocaloric effect on strained Sr2RuO4 in magnetic fields. — •Aleksei Frolov, You-Sheng Li, Naoki Kikugawa, Andreas W. Rost, Andrew P. Mackenzie, and Michael Nicklas
10:15 TT 67.3 Evidence for vertical line nodes in Sr2RuO4 from nonlocal electrodynamics — •Javier Landaeta, Konstantin Semeniuk, Joost Aretz, Ismardo Bonalde, Jörg Schmalian, Andrew Mackenzie, and Elena Hassinger
10:30 TT 67.4 Identification of the magnetic phase of Sr2RuO4 under uniaxial pressure through a.c. Young’s modulus measurements — •C.I. O’Neil, Z. Hu, N. Kikugawa, D.A. Sokolov, A.S. Gibbs, A.P. Mackenzie, H.M.L. Noad, and E. Gati
10:45 TT 67.5 Non-local electronic correlations and spin excitations in Sr2RuO4 — •Maria Chatzieleftheriou, Silke Biermann, Yvan Sidis, and Evgeny Stepanov
11:00 TT 67.6 Field-induced compensation of magnetic exchange as the possible origin of reentrant superconductivity in UTe2 — •Toni Helm, Motoi Kimata, Kenta Sudo, Atsuhiko Miyata, Markus Koenig, Ilya Sheikin, Alexandre Pourret, Georg Knebel, Dai Aoki, Jochen Wosnitza, and Jean-Pascal Brison
11:15 TT 67.7 The rich superconducting phase diagram of UTe2 — •Alexander Eaton, Zheyu Wu, Theodore Weinberger, Friedrich Malte Grosche, Andrej Cabla, and Michal Valiska
  11:30 15 min. break
11:45 TT 67.8 Thermodynamic transitions and topology of spin-triplet superconductivity: Application to UTe2Henrik S. Røising, Max Geier, •Andreas Kreisel, and Brian M. Andersen
12:00 TT 67.9 Quantum interference between quasi-2D Fermi surface sheets in UTe2 — •Theodore Weinberger, Zheyu Wu, David Graf, Yurii Skourski, Andrej Cabala, Michal Vališka, F. Malte Grosche, and Alexander Eaton
12:15 TT 67.10 Exposing quantum criticality and odd-parity superconductivity in CeRh2As2 with hydrostatic pressure — •Konstantin Semeniuk, Meike Pfeiffer, Javier Landaeta, Seunghyun Khim, and Elena Hassinger
12:30 TT 67.11 Evidence of finite-momentum pairing in a centrosymmetric bilayer — •Dong Zhao, Lukas Debbeler, Matthias Kühne, Sven Fecher, Nils Gross, and Jurgen Smet
12:45 TT 67.12 Local probe of the effective charge of a nodal superconductor — •Maialen Ortego Larrazabal, Jiasen Niu, Jian-Feng Ge, Genda Gu, Ingmar Swart, and Milan P. Allan
13:00 TT 67.13 Superconductivity with high upper critical field in Ta-Hf Alloys — •Pavan Kumar Meena, Sonika Jangid, Roshan Kumar Kushwaha, and Ravi Prakash Singh
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