Regensburg 2019 – scientific programme
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TT: Fachverband Tiefe Temperaturen
TT 43: Focus Session: Topology in 3D Reciprocal Space: Beyond Dirac and Weyl Quasiparticles (joint session TT/MA)
Wednesday, April 3, 2019, 15:00–18:15, H2
Topological Dirac and Weyl semimetals are currently in focus of condensed-matter research. The ultra-relativistic electrons in these systems manifest themselves in experimental probes in many very unusual ways, such as chiral currents, hydrodynamic electron flows, and chiral optical response. Theory and experiment go further and offer even more exotic topological phases, which have no analogies in high-energy physics. Among the recent discoveries are Lorentz-invariance breaking quasiparticles, multi-Weyl semimetals, and topological phases in non-electronic systems.
Organized by: Artem Pronin (Universität Stuttgart), Claudia Felser (MPI-CPfS Dresden), Martin Dressel (Universität Stuttgart)
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15:00 | TT 43.1 | Invited Talk: Novel optical and electrical responses in topological semimetals — •Joel Moore |
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15:30 | TT 43.2 | Invited Talk: Beyond the elementary particles and the 10-fold classification of non-interacting topological phases — •Alexey Soluyanov |
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16:00 | TT 43.3 | Invited Talk: Direct optical detection of Weyl fermion chirality in a topological semimetal — •Nuh Gedik |
| 16:30 | 15 min. break. | ||
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16:45 | TT 43.4 | Invited Talk: Evidence for an axionic charge density wave in the Weyl semimetal (TaSe4)2I — •Johannes Gooth |
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17:15 | TT 43.5 | Invited Talk: Investigations of Dirac/Weyl semimetals under external stimuli — •Ece Uykur |
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17:45 | TT 43.6 | Optical conductivity studies of topological nodal semimetals — •Artem V. Pronin, David Neubauer, Micha B. Schilling, Felix Hütt, Martin Dressel, Alexander Yaresko, Leslie M. Schoop, Chandra Shekhar, and Claudia Felser |
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18:00 | TT 43.7 | Thin-film investigations of 3D Dirac fermions in antiperovskite compounds — •Dennis Huang, Hiroyuki Nakamura, Eslam Khalaf, Pavel Ostrovsky, Kathrin Müller, Ulrich Starke, Alexander Yaresko, and Hidenori Takagi |