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Regensburg 2004 – wissenschaftliches Programm

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TT: Tiefe Temperaturen

TT 30: Postersitzung IV: Kritische Ph
änomene, Quantenstörstellen, niederdimensionale Systeme

Donnerstag, 11. März 2004, 14:30–19:00, Poster A

14:30 TT 30.1 Lattice dynamics and electron-phonon interaction in carbon nanotube — •K.-P. Bohnen, R. Heid, H.J. Liu, and C.T. Chan
14:30 TT 30.2 Numerical Renormalization Group Study for Bosonic Systems — •Ninghua Tong, Ralf Bulla, and Matthias Vojta
14:30 TT 30.3 Numerical Renormalization Group for the Bose-Fermi Kondo Model — •Tae-Hyoung Gimm and Ralf Bulla
14:30 TT 30.4 Magnetic response of the non-Fermi-liquid YbRh2Si2 — •O. Stockert, N. Bernhoeft, M. Koza, J. Ferstl, A. Murani, C. Geibel, and F. Steglich
14:30 TT 30.5 Anderson localization in disordered electron-phonon systems — •Andreas Alvermann, Franz X. Bronold, and Holger Fehske
14:30 TT 30.6 Comparative numerical study of localization in disordered electron systems — •Gerald Schubert, Alexander Weiße, and Holger Fehske
14:30 TT 30.7 The extended-Harris criterion and scale-free disorder in the 3D Anderson model of localization — •Macleans L. Ndawana, Rudolf A. Römer, and Michael Schreiber
14:30 TT 30.8 Mott Transition on the Surface of 1T-TaSe2 studied by Angle-Resolved Photoemission — •Markus Hoinkis, Hidenori Fujiwara, Benjamin Schmid, Matthias Klemm, David Schrupp, Jörg Schäfer, Michael Sing, and Ralph Claessen
14:30 TT 30.9 Characterisation of the Polaron Energy Spectrum in the Molecular Holstein Model — •Daniela Schneider and Karl-Heinz Höck
14:30 TT 30.10 Ferromagnetic Polarons in the 2D Kondo Model — •Maria Daghofer, Winfried Koller, Hans Gerd Evertz, and Wolfgang von der Linden
14:30 TT 30.11 UV-Photoemissions-Spektroskopie zur Deutung der magnetischen Eigenschaften von Fe1−xCoxSi-Einkristallen — •D. Menzel, D. Zur und J. Schoenes
14:30 TT 30.12 Obtaining optical constants for resonant soft x-ray scattering — •J. Schlappa, C. Schüßler-Langeheine, Z. Hu, M. W. Haverkort, E. Schierle, H. Ott, E. Weschke, G. Kaindl, P. Abbamonte, M. Huijben, G. Rijnders, D. H. A. Blank, A. Tanaka, and L. H. Tjeng
14:30 TT 30.13 Gitterdynamik von LaCoO3: Wechselspiel von Gitter- und Spinfreiheitsgraden — •M. Cwik, M. Kriener, C. Zobel, T. Taetz, T. Lorenz, A. Freimuth und M. Braden
14:30 TT 30.14 Spin- und Metall-Isolator-Übergang in La1−xEuxCoO3 — •M. Kriener, J. Baier, H. Kierspel, T. Lorenz, A. Reichl, C. Zobel, S. Jodlauk und A. Freimuth
14:30 TT 30.15 Observation of non-Gaussian conductance fluctuations at low temperatures in Si:P(B) at the metal-insulator transition — •Swastik Kar, A. K. Raychaudhuri, Arindam Ghosh, H. v. Löhneysen, and G. Weiss
14:30 TT 30.16 Structure, Magnetism and Transport in Titanates — •H. Roth, N. Schittner, A. Elfilali, K. Kordonis, M. Cwik, A. Komarek, M. Reuther, R. Müller, T. Lorenz, M. Braden und A. Freimuth
14:30 TT 30.17 Metal-insulator transition in quasi 2D systems — •K. Morawetz
14:30 TT 30.18 Electrical conductivity of pure and doped K0.3MoO3 single crystals grown by various preparation methods — •S. Yue, M. Dressel, C. Kuntscher, S. van Smaalen, F. Ritter, and W. Assmus
14:30 TT 30.19 One-dimensional fermions with static dimerisation: Zero-mode bosonisation and self consistent harmonic approximation — •Carmen Mocanu, Peter Schwab, Michael Dzierzawa, and Ulrich Eckern
14:30 TT 30.20 Magnetische Beiträge zum Wärmetransport in den quasi-1D Spinketten von SrCuO2 — •Patrick Ribeiro, Christian Hess, Pascal Reutler, Rudiger Klingeler, Bernd Büchner und Georg Roth
14:30 TT 30.21 Studies of a CDW system under hydrostatic pressure and high magnetic fields: from field-induced CDW transitions to superconductivity — •Dieter Andres, Mark Kartsovnik, Werner Biberacher, and Karl Neumaier
14:30 TT 30.22 Quantum Monte Carlo simulation for the conductance of one-dimensional quantum spin systems — •Kim Louis und Claudius Gros
14:30 TT 30.23 Thermal conductivity of the layered cuprates R2CuO4 with R = Pr, Nd, Sm, Eu and Gd — •H. Anapa, K. Berggold, K. Kordonis, M. Kriener, J. Baier, T. Lorenz, A. Freimuth, and S. Barilo
14:30 TT 30.24 Elektronischer Transport in dünnen Goldfilmen auf Si (111) — •Svenja Klages, Christoph Sürgers und Hilbert v. Löhneysen
14:30 TT 30.25 κ-(BEDT-TTF)2Cu(SCN)2: Comparative Analysis of Tc and Magnetotransport Measurements under Pressure — •A.-K. Klehe, T. Biggs, C.A. Kuntscher, A.M. Kini, and J.A. Schlueter
14:30 TT 30.26 Magnetic and transport properties of the new organic conductor (BEDT-TTF)2(B12H12)(CH2Cl2) — •Belal Salameh, Dieter Schweitzer, Christof Schneck, Ioannis Tiritiris, and Thomas Schleid
14:30 TT 30.27 AMRO-Messungen am Organischen Leiter (BEDT-TTF)4[Ni(dto)2] — •Wolfgang Schmidt, Jochen Hagel, Eduard Balthes, Jochen Wosnitza und Dieter Schweitzer
14:30 TT 30.28 Quantenoszillationsexperimente an θ-(BEDT-TTF)2I3 — •Axel Nothardt, Eduart Balthes, Anja Much, Belal Salameh, Wolfgang Schmidt, Dieter Schweitzer und Duncan Maud
14:30 TT 30.29 Wärmeleitfähigkeit von Übergangsmetalloxiden mit eindimensionalen Spinstrukturen — •K. Kordonis, M. Kriener, T. Lorenz, A. Freimuth, Y. Ueda, M. Isobe, M. Markina, V. Vasil’ev, and S. Cheong
14:30 TT 30.30 Exactly solvable model of three interacting particles in an external magnetic field — •K. Morawetz, E. P. Nakhmedov, M. Ameduri, A. Yurtsever, and C. Radehaus
14:30 TT 30.31 Magneto-Elastische Kopplung in dem Spin-Dimer System TlCuCl3 — •N. Johannsen, T. Lorenz, M. Kriener, A. Freimuth, T. Zabel, A. Vasiliev, A. Oosawa und H. Tanaka
14:30 TT 30.32 Thermal transport of one-dimensional spin systems in the presence of a magnetic field — •Fabian Heidrich-Meisner, Andreas Honecker, and Wolfram Brenig
14:30 TT 30.33 Optical measurements of two-dimensional electron systems on helium films — •Andreas Faustein, Jörg Angrik, Jürgen Klier, and Paul Leiderer
14:30 TT 30.34 Electron Mass Enhancement on the Spin Wave Energy Scale — •Jörg Schäfer, David Schrupp, and Ralph Claessen
14:30 TT 30.35 Domain Walls in 1D Systems - QM and Finite Size Corrections — •Markus Lippert, Hans-Joachim Elmers, and Peter G. J. van Dongen
14:30 TT 30.36 Magnetische und Kristallstruktur von Ca2−xSrxRuO4 — •O. Schumann, O. Friedt, P. Steffens, R. Müller, G. Andre, P. Adelmann, S. Nakatsuji, Y. Maeno und M. Braden
14:30 TT 30.37 Magnon heat transport of 2-leg spin ladders: Scattering on holes and static defects — •H. ElHaes, C. Hess, P. Ribeiro, B. Büchner, M. Hücker, U. Ammerahl, A. Revcolevschi, F. Heidrich-Meisner, and W. Brenig
14:30 TT 30.38 Magnetische Anregungen in reinem und dotierten Sr2RuO4 — •P. Steffens, P. Steffens, O. Friedt, O. Schumann, A. Komarek, Y. Sidis, J. Kulda, P. Bourges, S. Hayden, S. Nakatsuji, Y. Maeno, M. Braden, O. Friedt, O. Schumann, A. Komarek, Y. Sidis, J. Kulda, P. Bourges, S. Hayden, S. Nakatsuji, Y. Maeno und M. Braden
14:30 TT 30.39 Optical study of the doped spin-ladder Sr14−xCaxCu24O41 — •C. Hilgers, M. Grüninger, A. Freimuth, U. Ammerahl, P. Ribeiro, B. Büchner, and A. Revcolevschi
14:30 TT 30.40 Vibrating reed-Messungen an polykristallinem Aluminium bei tiefen Temperaturen — •J. Haust, M. Burst und G. Weiss
14:30 TT 30.41 Measurements of the low-frequency elastic properties of glasses with double paddle oscillators and SQUID based readout — •X. Cao, M. Layer, A. Fleischmann, C. Enss, and S. Hunklinger
14:30 TT 30.42 In-plane infrared conductivity of untwinned La2−xSrxCuO4 crystals in the regime of stripe order. — •Michael Dumm, Dimitri Basov, Seiki Komiya, and Yoichi Ando
14:30 TT 30.43 Thermodynamic Properties of Layered Ruthenates — •J. Baier, T. Zabel, M. Kriener, M. Reuther, T. Lorenz, A. Freimuth, P. Steffens, O. Friedt, M. Braden, A. Revcolevschi, S. Nakatsuji, and Y. Maeno
14:30 TT 30.44 Electron Spin Resonance of the Kondo-ion itself: evidence for a locally critical quantum phase transition — •Jörg Sichelschmidt, Julia Ferstl, Christoph Geibel, and Frank Steglich
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