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Regensburg 2004 – scientific programme

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TT: Tiefe Temperaturen

TT 24: Postersitzung III: Korrelierte Elektronen, ”Orbital Physics”

Wednesday, March 10, 2004, 14:30–19:00, Poster A

14:30 TT 24.1 LDA+DMFT results for ARPES spectra of SrVO3 — •G. Keller, V. I. Anisimov, K. Held, D. E. Kondakov, I. Nekrasov, T. Pruschke, and D. Vollhardt
14:30 TT 24.2 Charge and orbital order in Fe3O4 — •I. Leonov, A. N Yaresko, V. N. Antonov, M. A. Korotin, V. I. Anisimov, and D. Vollhardt
14:30 TT 24.3 DFT-Gutzwiller Calculations for ferromagnetic bcc Nickel — •Torsten Ohm, Stefan Weiser, Werner Weber, and Jörg Bünemann
14:30 TT 24.4 Quantum Monte Carlo approach to the Holstein model — •Martin Hohenadler, Hans Gerd Evertz, and Wolfgang von der Linden
14:30 TT 24.5 Variational cluster approach to extended Hubbard models at half filling — •Markus Aichhorn, Hans Gerd Evertz, Wolfgang von der Linden, and Michael Potthoff
14:30 TT 24.6 Influence of long-range Coulomb interaction and on-site Hubbard repulsion on the formation of d-wave Copper-pairing in high-Tc cuprates — •Dirk Manske, Ernst Pashitskii, Vsevolod Pentegov, and Ilya Eremin
14:30 TT 24.7 Electronic structure of quasi-one-dimensional metals: Theory vs Experiment — •Holger Benthien, Eric Jeckelmann, Florian Gebhard, Michael Sing, and Ralph Claessen
14:30 TT 24.8 Thermodynamic properties of ferromagnetic mixed-spin chain systems — •Noboru Fukushima, Andreas Honecker, Stefan Wessel, and Wolfram Brenig
14:30 TT 24.9 Scaling of the conductance in interacting quantum wires — •Tilman Enss, Sabine Andergassen, Volker Meden, Walter Metzner, Ulrich Schollwöck, and Kurt Schönhammer
14:30 TT 24.10 Functional RG for Luttinger liquids with impurities — •Sabine Andergassen, Tilman Enss, Volker Meden, Walter Metzner, Ulrich Schollwöck, and Kurt Schönhammer
14:30 TT 24.11 Coexistence of s-wave Superconductivity and Antiferromagnetism — •Martin Feldbacher, Fakher Assaad, Frederic Hébert, and George Batrouni
14:30 TT 24.12 Hubbard model in a magnetic field at weak coupling — •Carsten L. Knecht and P.G.J. van Dongen
14:30 TT 24.13 Self-energy-functional approach: New results and developments — •Michael Potthoff
14:30 TT 24.14 Crossover from Non-equilibrium to Equilibrium Behavior in the Time–DependentKondo Model — •Stefan Kehrein and Dmitry Lobaskin
14:30 TT 24.15 Finite temperature Drude weight of strongly correlated 1d systems — •Stefan Glocke and Andreas Klümper
14:30 TT 24.16 General susceptibilities of highly correlated electron systems from a local point of view — •Sebastian Schmitt and Norbert Grewe
14:30 TT 24.17 Charge Fluctuations in the t-U-V1-V2 Model — •Satoshi Ejima, Florian Gebhard, Satoshi Nishimoto, and Yukinori Ohta
14:30 TT 24.18 Analytical and numerical treatment of the Mott–Hubbard insulator in infinite dimensions — •Satoshi Nishimoto, Satoshi Ejima, Florian Gebhard, Eva Kalinowski, Reinhard M. Noack, and Eric Jeckelmann
14:30 TT 24.19 Quartic Oscillator: Diagonalization by Continuous Unitary Transformations — •Sébastien Dusuel und Götz S. Uhrig
14:30 TT 24.20 The physics of chiral helices in a metal — •Inga Fischer and Achim Rosch
14:30 TT 24.21 Die stark-Kopplungs-Phase des ionischen Hubbard Modells — •Salvatore Manmana, Volker Meden, Reinhard Noack und Kurt Schönhammer
14:30 TT 24.22 Incommensurate charge-density wave in the stripe phase of the two-dimensional Hubbard-Holstein model — •Serguei Varlamov and Götz Seibold
14:30 TT 24.23 Electronic structure, magnetism, and superconductivity in pseudo-ladder compounds — •S.-L. Drechsler, H. Rosner, N.M. Plakida, A. Vladimirov, H. Eschrig, and M. Knupfer
14:30 TT 24.24 Time-dependent Gutzwiller theory of magnetic excitations in the Hubbard model — •Goetz Seibold, Federico Becca, and Jose Lorenzana
14:30 TT 24.25 Stability of metallic stripes in the extended one-band Hubbard model — •Goetz Seibold and Jose Lorenzana
14:30 TT 24.26 Ionic Hubbard Model in High Dimension — •Krunoslav Pozgajcic and Claudius Gros
14:30 TT 24.27 Self-energy effects in the two-dimensional Hubbard-Model from Functional Renormalisation — •Daniel Rohe
14:30 TT 24.28 Druckeinfluss auf die magnetische Ordnung in CeNiGa2 — •Andreas Eichler, Ernst Bauer, Robert Hauser, Heinrich Weiss und Torsten Burghardt
14:30 TT 24.29 Specific heat of PrOs4Sb12 at high magnetic fields — •K. Grube, S. Drobnik, C. Pfleiderer, A. Faisst, R. Vollmer, H. v. Löhneysen, E.D. Bauer, and M.B. Maple
14:30 TT 24.30 Thermische Ausdehnung von CeCu6−xAux — •K. Grube, P. Estrela, A. de Visser, O. Stockert und H. v. Löhneysen
14:30 TT 24.31 Ferromagnetic to paramagnetic quantum phase transition of single crystal CeSi1.81 at high pressure — •S. Drotziger, C. Pfleiderer, M. Uhlarz, H. v. Löhneysen, D. Souptel, W. Löser, and G. Behr
14:30 TT 24.32 Investigation of the Low Ordered Moment in CeBiPt — •G. Goll, O. Stockert, M. Prager, N. Stüßer, and T. Takabatake
14:30 TT 24.33 Successful growth of the intermetallic compound CeCu2(Si,Ge)2 by high-temperature solution — •M. Deppe, H. S. Jeevan, R. Borth, C. Geibel, and F. Steglich
14:30 TT 24.34 Transferred hyperfine fields in the heavy fermion compounds CeCu6−xAux — •Max Winkelmann, Gerda Fischer, and Elmar Dormann
14:30 TT 24.35 Heavy Fermion CePd3: Coherent State Versus Kondo Holes — •Philipp Haas, Peter Weber, Konstantin Petukhov, Oleg Ushakov, Boris Gorshunov, and Martin Dressel
14:30 TT 24.36 Calculated de Haas-van Alphen quantities of CeMIn5 (M=Co, Rh, and Ir) compounds — •Saad Elgazzar, Ingo Opahle, Roland Hayn, and Peter M. Oppeneer
14:30 TT 24.37 Transport Properties of LaTiO3+x Films and Heterostructures — •Andreas Schmehl, Frank Lichtenberg, Darrell Schlom, Hartmut Bielefeldt, and Jochen Mannhart
14:30 TT 24.38 Eigenschaften von YbAl2 bei tiefen Temperaturen — •T. Görlach, C. Pfleiderer und H. v. Löhneysen
14:30 TT 24.39 Single crystal studies of a new ternary Europium pnictide EuZn2Sb2 — •F. Weber, A. Cosceev, A. Nateprov, M. Uhlarz, C. Pfleiderer, and H. v. Löhneysen
14:30 TT 24.40 Orbital and spin exchange in LiNiO2 — •Roland Hayn, Daré Anne-Marie, and Richard Jean-Louis
14:30 TT 24.41 High energy photoemission study on the Verwey transition in Fe3O4 — •David Schrupp, Michael Sing, Sigemasa Suga, and Ralph Claessen
14:30 TT 24.42 Metal-Insulator transitions driven by magnetic field in half-doped manganites — •Horacio Aliaga and Dieter Vollhardt
14:30 TT 24.43 Comparison of LSDA+U calculations and photo emission data of Fe3O4 — •David Schrupp, Ivan Leonov, Alexander Yaresko, Shigemasa Suga, Vladimir Anisimov, and Ralph Claessen
14:30 TT 24.44 Dimerization versus Orbital Moment Ordering in the Mott insulator YVO3 — •Peter Horsch, Giniyat Khaliullin und Andrzej M. Oles
14:30 TT 24.45 Orbital assisted metal insulator transition in VO2 — •L.H. Tjeng, T. Koethe, M.W. Haverkort, Z. Hu, A. Tanaka, S. Streltsov, M. Korotin, V. Anisimov, W. Reichelt, H.H. Hsieh, H.-J. Lin, and C.T. Chen
14:30 TT 24.46 Orbital occupation and momentum in LaTiO3 — •M.W. Haverkort, Z. Hu, H. Roth, T. Lorenz, C. de Nadai, N.B. Brookes, A. Tanaka, H.H. Hsieh, H.-J. Lin, C.T. Chen, and L.H. Tjeng
14:30 TT 24.47 Orbital excitations in LaTiO3 and YTiO3 investigated by infrared and Raman spectroscopy — •A. Gössling, R. Rückamp, M. Grüninger, M. Cwik, H Roth, T. Lorenz, A. Freimuth, B. Keimer und C. Ulrich
14:30 TT 24.48 Search for orbital excitations in YTiO3: calculation of phonon dispersion relations — •M. Guennou, C. Ulrich, C. Frost, S. Miyasaka, Y. Taguchi, Y. Tokura, and B. Keimer
14:30 TT 24.49 Giant phonon anomalies in the pseudo-gap phase of TiOCl — •P. Lemmens, K.-Y. Choi, G. Caimi, L. Degiorgi, A. Seidel, and F.C. Chou
14:30 TT 24.50 Orbital-spin coupling in La1−xSr1+xMnO4 observed by Raman spectroscopy — •K.-Y. Choi, D. Heydhausen, T. Sahaoui, P. Reutler, B. Büchner, P. Lemmens, and G. Güntherodt
14:30 TT 24.51 Orbital-induced phonon anomalies in (La1−yPry)1−xSrxMnO3 and LaMnO3+δ — •K.-Y. Choi, P. Lemmens, G. Güntherodt, Yu. Pashkevich, V. Gnezdilov, P. Reutler, B. Büchner, and A. Revcolevschi
14:30 TT 24.52 Electron Spin Resonance in charge and orbitally ordered manganites — •J. Deisenhofer, H.-A. Krug von Nidda, A. Loidl, T. Nakajima, and Y. Ueda
14:30 TT 24.53 Magnetic and orbital correlations in single layered manganates — •D. Senff, O. Friedt, M. Ben Omar, Y. Sidis, P. Reutler, A. Revcolevschi, and M. Braden
14:30 TT 24.54 Orbital ordering in single-crystal and thin-film La7/8Sr1/8MnO3 — •Y. Su, D. Wermeille, O.H. Seeck, A. Fattah, J. Persson, P. Foucart, K. Istomin, D. Hupfeld, Th. Brueckel, Zhi-Hong Wang, G. Cristiani, H.-U. Habermeier, F. Wu und R.L. Johnson
14:30 TT 24.55 Orbital ordering in manganites on the band approach. — •Dmitry Efremov and Daniel Khomskii
14:30 TT 24.56 Magnetic ordering in the trigonal chain compounds Ca3CoRhO6 and Ca3FeRhO6 — •Udo Schwingenschlögl, Volker Eyert, and Ulrich Eckern
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