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Dresden 2009 – scientific programme

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TT: Fachverband Tiefe Temperaturen

TT 40: Superconductivity: Ferropnictides 1

Thursday, March 26, 2009, 14:00–19:00, HSZ 03

14:00 TT 40.1 Antiferromagnetic correlations in the normal state of LaFeAsO1−xFx with 0≤ x≤ 0.125 — •Rüdiger Klingeler, Norman Leps, Liran Wang, Christian Hess, Günter Behr, Vladislav Kataev, and Bernd Büchner
14:15 TT 40.2 Electronic phase diagram of the LaO1−xFxFeAs superconductor: A muon spin relaxation study — •H. Luetkens, H.-H. Klauss, F.J. Litterst, T. Dellmann, R. Klingeler, C. Hess, R. Khasanov, A. Amato, C. Baines, M. Kosmala, O.J. Schumann, M. Braden, J. Hamann-Borrero, N. Leps, A. Kondrat, G. Behr, J. Werner, M. Kraken, and B. Büchner
14:30 TT 40.3 Functional renormalization group study of the iron pnictides — •Christian Platt, Carsten Honerkamp, and Werner Hanke
14:45 TT 40.4 Thermodynamic study of the Co-doped Ba-122 iron pnictide — •Frédéric Hardy, Christoph Meingast, Thomas Wolf, Rolf Heid, Peter Adelmann, Peter Schweiss, Doris Ernst, and Hilbert v. Löhneysen
15:00 TT 40.5 Strong coupling of superconductivity to c/a in Ba(Fe,Co)2As2 — •Christoph Meingast, Frederic Hardy, Peter Adelmann, Peter Schweiss, Doris Ernst, Hilbert v. Löhneysen, and Thomas Wolf
15:15 TT 40.6 Electronic phase separation in the slightly underdoped iron pnictide superconductor Ba1−xKxFe2As2 — •Ji Tae Park, D. S. Inosov, Ch. Niedermayer, G. L. Sun, D. Haug, N. B. Christensen, R Dinnebier, A. V. Boris, A. J. Drew, L. Schulz, T. Shapoval, U. Wolff, V. Neu, X. Yang, C. T. Lin, B. Keimer, and V. Hinkov
  15:30 15 min. break
15:45 TT 40.7 The intrinsic electronic phase diagram of iron-pnictide superconductors — •C. Hess, A. Kondrat, A. Narduzzo, J. E. Hamann-Borrero, R. Klingeler, H. Grafe, G. Lang, F. Hammerath, D. Paar, A. Alfonsov, V. Kataev, J. Werner, G. Behr, and B. Büchner
16:00 TT 40.8 Magnetic properties of LaO1−xFxFeAs — •Sangeeta Sharma, John Kay Dewhurst, Sam Shallcross, Christophe Bersier, Francesco Cricchio, Antonio Sanna, Sandro Massidda, E. K. U Gross, and Lars Nordstroem
16:15 TT 40.9 Doping dependence of the charge distribution of iron pnictides — •Guillaume Lang, Hans-Joachim Grafe, Katarina Manthey, Franziska Hammerath, Dalibor Paar, Katrin Koch, Helge Rosner, Günther Behr, Jochen Werner, and Bernd Büchner
16:30 TT 40.10 Observation of the many body satellite in Ba1−xKxFe2As2 single crystals by resonant x-ray photoemission spectroscopyAndreas Koitzsch, Thomas Kroll, Roberto Kraus, Martin Knupfer, Bernd Büchner, David Batchelor, Guoli Sun, Dunlu Sun, and •Chengtian Lin
16:45 TT 40.11 Momentum dependence of the superconducting gap in Ba1−xKxFe2As2 — •D. V. Evtushinsky, D. S. Inosov, V. B. Zabolotnyy, A. Koitzsch, M. Knupfer, B. Büchner, G. L. Sun, V. Hinkov, A. V. Boris, C. T. Lin, B. Keimer, A. Varykhalov, A. A. Kordyuk, and S. V. Borisenko
17:00 TT 40.12 Correlations in Ferropnictides — •Klaus Koepernik and Helmut Eschrig
  17:15 15 min. break
17:30 TT 40.13 Theory for magnetic excitations in Fe-pnictide superconductors — •Maxim Korshunov and Ilya Eremin
17:45 TT 40.14 Interplay between crystal structure and magnetism in the superconducting AFe2As2 ( A = Ca, Sr, Ba and Eu) Systems: A First-principles Study — •Alim Ormeci, Deepa Kasinathan, Katrin Koch, Miriam Schmitt, and Helge Rosner
18:00 TT 40.15 Renormalized in-plane plasma frequencies and insight into the superconductivity of iron pnictides from optical studies and low-temperature µSR data — •Stefan-Ludwig Drechsler, Helge Rosner, Klaus Koepernik, Mandy Grobosch, Guenter Behr, Roman Schuster, Friedrich Roth, Saad Elgazzar, Bernd Buechner, and Martin Knupfer
18:15 TT 40.16 Pressure-induced structural and magnetic transitions in the 122 iron arsenide compounds — •Yuzhong Zhang, Hem Kandpal, Ingo Opahle, Harald Jeschke, Claudius Gros, and Roser Valenti
18:30 TT 40.17 Investigation of superconductivity and magnetism in EuFe2As2 — •Hirale S. Jeevan and Philipp Gegenwart
18:45 TT 40.18 ESR spectroscopy on (Gd,La)O1−xFxFeAs superconductors — •A. Alfonsov, F. Murányi, V. Kataev, N. Leps, R. Klingeler, A. Kondrat, C. Hess, A. Köhler, J. Werner, G. Behr, and B. Büchner
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