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Regensburg 2013 – wissenschaftliches Programm

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TT: Fachverband Tiefe Temperaturen

TT 53: Correlated Electrons: Heavy Fermions

Donnerstag, 14. März 2013, 09:30–13:00, H19

09:30 TT 53.1 Formation of the coherent heavy fermion liquid at the ‘hidden order’ transition in URu2Si2 — Shouvik Chatterjee, •Jan Trinckauf, Torben Hänke, Daniel E. Shai, John W. Harter, Travis J. Williams, Graeme M. Luke, Kyle M. Shen, and Jochen Geck
09:45 TT 53.2 High field Hall measurements on UPt2Si2 at very low temperatures — •Dirk Schulze Grachtrup, Ilya Sheikin, Stefan Süllow, and John A. Mydosh
10:00 TT 53.3 Quasiparticles and Fermi surface of UPt2Si2 — •Zübeyir Cakir and Gertrud Zwicknagl
10:15 TT 53.4 The magnetic phase diagram of CeAu2Ge2 — •Felix Eilers, Diego Zocco, Chien-Lung Huang, Veronika Fritsch, Kai Grube, and Hilbert v. Löhneysen
10:30 TT 53.5 Strong enhancement of the thermopower of YbRh2Si2 by La substitution — •Ulrike Stockert, Heike Pfau, Cornelius Krellner, Steffen Wirth, Christoph Geibel, and Frank Steglich
10:45 TT 53.6 Magnetic phases in Yb(Rh0.42Co0.58)2Si2 — •A. Hannaske, O. Stockert, C. Klingner, C. Krellner, S. Matas, M.-H. Lemee-Cailleau, L. Pedrero, M. Brando, C. Geibel, and F. Steglich
11:00 TT 53.7 Electronic Structure of LuRh2Si2 - reference to YbRh2Si2 — •Pascal Reiss, Swee K. Goh, F. Malte Grosche, Zachary Fisk, Michael Sutherland, Patrick M.C. Rourke, Gertrud Zwicknagl, and Sven Friedemann
  11:15 15 min. break
11:30 TT 53.8 Eu valence and Fermi-surface development in EuX2Si2 (X = Co, Rh, Ir) systems — •K. Götze, S. Seiro, C. Geibel, H. Rosner, V. Petzold, A. Polyakov, J. Wosnitza, I. Sheikin, and A. Suslov
11:45 TT 53.9 Optical study of archetypical valence-fluctuating Eu systems — V. Guritanu, S. Seiro, •J. Sichelschmidt, N. Caroca-Canales, T. Iizuka, S. Kimura, C. Geibel, and F. Steglich
12:00 TT 53.10 Non-Fermi liquid picture and superconductivity in heavy fermion systems — •Steffen Sykora and Klaus W. Becker
12:15 TT 53.11 YbPt2Sn and YbPt2In: Unusual weak magnetic exchange in two different structure types — •Thomas Gruner, Dongjin Jang, Alexander Steppke, Manuel Brando, and Christoph Geibel
12:30 TT 53.12 Magnetic field dependence of multiple order parameters in CeB6 — •G. Friemel, H. Jang, A. Schneidewind, Y. Li, A. V. Dukhhenko, N. Y. Shitsevalova, N. E. Sluchanko, A. Ivanov, V. B. Filipov, B. Keimer, and D. S. Inosov
12:45 TT 53.13 Spin excitons in the unconventional superconducting and hidden order state of strongly correlated electrons — •Alireza Akbari and Peter Thalmeier
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