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Dresden 2009 – wissenschaftliches Programm

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TT: Fachverband Tiefe Temperaturen

TT 25: Superconductivity: Cuprate High-Temperature Superconductors 1

Mittwoch, 25. März 2009, 09:30–13:00, HSZ 304

09:30 TT 25.1 Stripe-like charge order in La1.8−xEu0.2SrxCuO4 studied by resonant soft X-ray diffraction — •Jörg Fink, Enrico Schierle, Viktor Soltwisch, Eugen Weschke, Hermann Dürr, Jochen Geck, Patrick Ribeiro, Bernd Büchner, David Hawthorn, and George Sawatzky
09:45 TT 25.2 Evidence for Fermi surface reconstruction in the static stripe phase of La1.8−xEu0.2SrxCuO4x=1/8 — •V. B. Zabolotnyy, A. A. Kordyuk, D. S. Inosov, D. V. Evtushinsky, R. Schuster, B. Büchner, N. Wizent, G. Behr, S. Pyon, T. Takayama, H. Takagi, R. Follath, and S. V. Borisenko
10:00 TT 25.3 Renormalization of the longitudinal bond-stretching phonon branch in La1.95Sr0.05CuO4 probed by inelastic neutron scattering technique — •A. Hamann, D. Lamago, L. Pintschovius, K. Yamada, M. Fujita, and D. Reznik
10:15 TT 25.4 Charge stripes and electron phonon coupling in cuprates — •A. C. Komarek, A. Hiess, H. Hiraka, K. Ikeuchi, M. v. Zimmermann, M. Fujita, K. Yamada, and M. Braden
10:30 TT 25.5 Static and fluctuating stripe order in 1/8-doped LNSCO and LSCO — •Hsueh-Hung Wu, Marcel Buchholz, Christoph Trabant, Franziskus Heigl, Enrico Schierle, Matthias Cwik, Markus Braden, Liu-Hao Tjeng, and Christian Schüßler-Langeheine
10:45 TT 25.6 Interplay of charge stripe order with structural distortions: a high pressure x-ray study — •M. v. Zimmermann, M. Huecker, J.M. Tranquada, M. Debessai, J.S. Schilling, and G.D Gu
  11:00 15 min. break
11:15 TT 25.7 Electron-Phonon Interaction in Strongly Correlated Systems — •giorgio sangiovanni and olle gunnarsson
11:30 TT 25.8 Momentum dependence of the electron-phonon coupling, phonon-induced pairing interaction, and self-energy effects in YBa2Cu3O7 within the local density approximation — •Dirk Manske, Rolf Heid, Roland Zeyher, and Klaus-Peter Bohnen
11:45 TT 25.9 Theory of two-particle excitations and the magnetic susceptibility in high-Tc cuprate superconductors — •Sascha Brehm, Enrico Arrigoni, Markus Aichhorn, Maximilian Kiesel, and Werner Hanke
12:00 TT 25.10 Raman study of La2−xSrxCuO4: Evidence of universal electronic properties — •Bernhard Muschler, Wolfgang Prestel, Leonardo Tassini, Seiki Komiya, Yoichi Ando, Michael Lambacher, Andreas Erb, and Rudi Hackl
12:15 TT 25.11 Comparison of ARPES and Raman spectra — •Wolfgang Prestel, Bernhard Muschler, Nathalie Munnikes, Michael Lambacher, Andreas Erb, Yoichi Ando, Shimpei Ono, Toshizo Fujita, Andrea Damascelli, Hiroshi Eisaki, Martin Greven, and Rudi Hackl
12:30 TT 25.12 Two component dynamics of the superconducting order parameter revealed by time-resolved Raman scattering — •Ilka Mahns, R. Pelangi Saichu, Arne Goos, Stephan Binder, Patrick May, Stefan G. Singer, Benjamin Schulz, Andrivo Rusydi, Julia Unterhinninghofen, Dirk Manske, Prasenjit Guptasarma, Mark S. Williamsen, and Michael Ruebhausen
12:45 TT 25.13 Charge-Transfer Excitons In Underdoped Ca2−xNaxCuO2Cl2 — •R. Schuster, S. Pyon, M. Knupfer, J. Fink, M. Azuma, M. Takano, H. Takagi, and B. Büchner
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