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Dresden 2014 – wissenschaftliches Programm

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TT: Fachverband Tiefe Temperaturen

TT 79: Correlated Electrons - Poster Session

Mittwoch, 2. April 2014, 15:00–19:00, P2

15:00 TT 79.1 Electron Spin Resonance in Yb(Rh0.73Co0.27)2Si2 below 1 KIlshat Fazlishanov, •Zakir Seidov, Jörg Sichelschmidt, Hans-Albrecht Krug von Nidda, Cornelius Krellner, Christoph Geibel, Frank Steglich, and Manuel Brando
15:00 TT 79.2 Heavy fermion behaviour and structural change in high pressure CeSb2Zhuo Feng, •Yang Zou, Terence Giles, Philipp Niklowitz, Heribert Wilhelm, Giulio I. Lampronti, and F. Malte Grosche
15:00 TT 79.3 de Haas-van Alphen oscillations in (La,Ce)TiGe3R. Seerig, •M. Uhlarz, W. Kittler, V. Fritsch, O. Stockert, T. Förster, P. Canfield, J. Wosnitza, and H. v. Löhneysen
15:00 TT 79.4 Evolution of ferromagnetic correlations in FeGa3−xGex probed by 69,71Ga nuclear quadrupolar resonance — •M. Majumder, M. Wagner-Reetz, P. Khuntia, Yu. Grin, and M. Baenitz
15:00 TT 79.5 NMR on the quantum critical ferromagnet YbNi4P2: Evidence for a large basal plane local anisotropy — •Rajib Sarkar, Marco Günter, Cornelius Krellner, Christoph Geibel, and Hans-Henning Klauss
15:00 TT 79.6 Phase diagram of the effective Ising spin-1/2 chain system CoNb2O6 in transverse magnetic field and comparison with the 1D Ising model — •Victoria Cho, Simon Scharffe, Oliver Breunig, Martin Valldor, Markus Garst, Eran Sela, and Thomas Lorenz
15:00 TT 79.7 Magnetic excitations in quantum-critical Ce(Pd0.86Ni0.14)Al — •O. Stockert, K. Schmalzl, V. Fritsch, and H. v. Löhneysen
15:00 TT 79.8 Hidden energy scale in CePdAlChien-Lung Huang, Kai Grube, •Christian Taubenheim, Veronika Fritsch, Sarah Woitschach, Zita Huesges, Oliver Stockert, and Hilbert v. Löhneysen
15:00 TT 79.9 Effect of Ni-doping on the geometrically frustrated heavy-fermion system CePdAl — •Stefan Lucas, Zita Huesges, Sarah Woitschach, Oliver Stockert, Veronika Fritsch, and Hilbert von Löhneysen
15:00 TT 79.10 QPI in singlet, triplet and non-centrosymmetric unconventional superconductors — •Alireza Akbari and Peter Thalmeier
15:00 TT 79.11 Theory of Magnetic Excitations in Van Vleck-type Mott insulator on Square Lattice — •Alireza Akbari and Giniyat Khaliullin
15:00 TT 79.12 Magnetostriction and thermal expansion of the triple-layered Sr4Ru3O10 System — •W. Schottenhamel, R. Fittipaldi, A. Vecchione, A.U.B. Wolter, and B. Büchner
15:00 TT 79.13 Realistic Calculation of Optical Spectra of Layered Ruthenates — •Esmaeel Sarvestani, Guoren Zhang, Evgeny Gorelov, and Eva Pavarini
15:00 TT 79.14 Ab initio study of electronic correlation in SrRuO3 — •Liang Si, Zhicheng Zhong, and Karsten Held
15:00 TT 79.15 Critical scaling analysis of the itinerant ferromagnet Sr1−xCaxRuO3 — •Dirk Fuchs, Markus Wissinger, Jörg Schmalian, Chien-Lung Huang, Rudolf Schneider, and Hilbert von Löhneysen
15:00 TT 79.16 Doping Induced Spin State Transition in LaCoO3: Dynamical Mean-Field study — •Pavel Augustinsky, Vlastimil Krapek, and Jan Kunes
15:00 TT 79.17 Excitonic instability in Two-Band Hubbard Model — •Pavel Augustinsky and Jan Kunes
15:00 TT 79.18 Signatures of electronic correlations in half-metals — •Markus Dutschke, Liviu Chioncel, and Junya Otsuki
15:00 TT 79.19 Bulk and interface half-metallicity in heterostructures based on Co2MnAl — •Andreas Held, Kathrin Garb, Igor Di Marco, Stanislav Chadov, and Liviu Chioncel
15:00 TT 79.20 Importance of electronic correlations for the phase stability of V2O3 — •Ivan Leonov and Dieter Vollhardt
15:00 TT 79.21 The correlated semiconductor CrSb2 — •Anna Galler, Jan Tomczak, and Karsten Held
15:00 TT 79.22 Real-Time Dynamics in Bose-Fermi Impurity Models — •Christian Kleine and Frithjof B. Anders
15:00 TT 79.23 Magnetic phase-diagram of the spin-diluted Kondo-lattice model — •Matthias Peschke, Maximilian Aulbach, and Michael Potthoff
15:00 TT 79.24 Multi-Fermi Points in the Kondo-vs.-RKKY Quantum Box — •Mirek Hänsel, Andrej Schwabe, and Michael Potthoff
15:00 TT 79.25 Kondo regime of the non-equilibrium time evolution of an Anderson quantum dot — •Sebastian Bock, Alexander Liluashvili, Denes Sexty, and Thomas Gasenzer
15:00 TT 79.26 Exact diagonalization techniques for strongly correlated systems — •Sareh Motahari and David Jacob
15:00 TT 79.27 Towards a Numerical Renormalization Group description of the steady-state nonequilibrium single-impurity Anderson model using Lindblad driving — •Frauke Schwarz, Ireneusz Weymann, Andreas Weichselbaum, and Jan von Delft
15:00 TT 79.28 The Numerical Renormalization Group as impurity solver within the Dynamical Mean-Field - Theory for multi-band lattice models — •Katharina Stadler, Andreas Weichselbaum, and Jan von Delft
15:00 TT 79.29 Charge order and frustration in two-dimensional Falicov-Kimball models — •younes javanmard, andrey antipov, pedro ribeiro, and stefan kirchner
15:00 TT 79.30 Optimizing Matrix Product State Codes Using SciPAL: Parallelisation and GPU Portability — •Thomas Köhler, Johannes Hagemann, Salvatore R. Manmana, and Stephan C. Kramer
15:00 TT 79.31 Accelerations of Diagrammatic Determinantal Quantum Monte Carlo Calculations using GPUs — •Markus Schmitt, Iain Bethune, and Thomas Pruschke
15:00 TT 79.32 Superconducting gap at a ferromagnetic quantum critical point — •Matthias Einenkel, Hendrik Meier, Catherine Pépin, and Konstantin B. Efetov
15:00 TT 79.33 Disorder-driven Coulomb gas transitions — •Stefan Wolff and Simon Trebst
15:00 TT 79.34 LDA+Slave-Boson Mean-Field Theory: itinerant electrons, magnetism and dynamics in realistic materials with multi-orbital degrees of freedom — •Christoph Piefke, Malte Behrmann, and Frank Lechermann
15:00 TT 79.35 ESR studies of CoCr2O4 — •Alexey Ponomaryov, Mykhaylo Ozerov, Joachim Woznitza, Vladimir Tsurkan, Alois Loidl, and Sergei Zvyagin
15:00 TT 79.36 Magnetic ground state and low-energy spin dynamics in single crystals of the frustrated magnet CoAl2O4 — •S. Zimmermann, A. Alfonsov, M. Iakovleva, E. Vavilova, H.-J. Grafe, H. Luetkens, O. Zaharko, H.-H. Klauß, A. Maljuk, S. Wurmehl, T. Dey, V. Kataev, and B. Büchner
15:00 TT 79.37 Thermal expansion and magnetostriction measurements at sub Kelvin temperatures - experiments on the frustrated quantum magnet Cs2CuCl4 — •satya krishna Thallapaka, Bernd Wolf, and Michael Lang
15:00 TT 79.38 Localized states on triangular traps and low-temperature properties of the antiferromagnetic Heisenberg and repulsive Hubbard models — •Mykola Maksymenko, Johannes Richter, and Oleg Derzhko
15:00 TT 79.39 1/d expansion for coupled dimer magnets — •Darshan G. Joshi, Kris Coester, Kai P. Schmidt, and Matthias Vojta
15:00 TT 79.40 Bond randomness in Kitaev's honeycomb spin-liquid model — •Fabian Zschocke and Matthias Vojta
15:00 TT 79.41 NMR as a local probe for 5d and 4d magnetism in honeycomb lattices A2TO3; (A=Na,Li; T=Ir,Rh) — •Panchanana Khuntia, Mayukh Majumder, Soham Manni, Philipp Gegenwart, and Michael Baenitz
15:00 TT 79.42 Energy dynamics in the Heisenberg-Kitaev chain — •Robin Steinigeweg and Wolfram Brenig
15:00 TT 79.43 Magnetic properties of antiferromagnetic Heisenberg chains with spin-S boundary defects in magnetic fields — •Björn Willenberg, Jan Grelik, Wolfram Brenig, and Holger Frahm
15:00 TT 79.44 Optical absorption of a spin-1/2 Heisenberg antiferromagnet on a triangular lattice — •Boris Celan and Wolfram Brenig
15:00 TT 79.45 Magnetic phase diagram of the metallic triangular-lattice antiferromagnet PdCrO2Jong Mok Ok, •M. Dietterle, J. Wosnitza, and Jun Sung Kim
15:00 TT 79.46 Fermi condensation near Van Hove singularities in the triangular lattice — •Daniel Hirschmeier, Dmitry Yudin, Hartmut Hafermann, Olle Eriksson, Alexander I. Lichtenstein, and Mikhail I. Katsnelson
15:00 TT 79.47 Magnetic Ordering and Superconductivity in Triangular Lattices in the Hubbard ModelMaria Daghofer and •André Fischer
15:00 TT 79.48 Strongly correlated system on frustrated lattices: Beyond the flat-band scenario — •J. Richter, O. Derzhko, O. Krupnitska, and T. Krokhmalskii
15:00 TT 79.49 Magnetocrystalline anisotropy in low dimensional systems — •Kira Riedl, Harald O. Jeschke, and Roser Valenti
15:00 TT 79.50 Magnetic anisotropy of azurite probed by high-field electron resonance — •Mykhaylo Ozerov, Jochen Wosnitza, and Sergei Zvyagin
15:00 TT 79.51 Crystal growth and analysis of BaCuSi2O6 — •Pascal Puphal, Natalija van Well, Franz Ritter, Cornelius Krellner, and Wolf Aßmus
15:00 TT 79.52 Specific heat studies of the Cs2CuCl4−xBrx-system — •Markus Kuhnt, Natalija van Well, Franz Ritter, Pham Thanh Cong, Bernd Wolf, Michael Lang, Cornelius Krellner, and Wolf Assmus
15:00 TT 79.53 Magnetic Properties of Cu2OSeO3 under weak dopingMarkus Strobl, •Marco Halder, Tim Adams, Sebastian Mühlbauer, Michael Wagner, Andreas Bauer, Helmut Berger, and Christian Pfleiderer
15:00 TT 79.54 Phase-space Berry phases in chiral magnets: Skyrmion charge, Dzyaloshinskii-Moriya interaction and Hall effect — •Robert Bamler, Frank Freimuth, Yuriy Mokrousov, and Achim Rosch
15:00 TT 79.55 Large lattice distortions associated with the magnetic transition in La0.7Sr0.3MnO3 — •Frank Weber, Dimitri Argyriou, Oleksandr Prokhnenko, and Dmitry Reznik
15:00 TT 79.56 Crystal growth and physical properties of doped honeycomb lattice systems A2IrO3 (A=Na, Li) — •Friedrich Freund, Soham Manni, and Philipp Gegenwart
15:00 TT 79.57 Interplay of Spin-Orbit Coupling and Electron Correlations in Iridate Compounds — •Alexander Hampel and Frank Lechermann
15:00 TT 79.58 Electronic structure of Sr2IrO4 polycrystals and PLD grown thin films — •Ozan Kirilmaz, Atsushi Yamasaki, Michael Sing, Akira Sekiyama, Masaaki Isobe, Shigemasa Suga, and Ralph Claessen
15:00 TT 79.59 Effect of Gd doping and O deficiency on the Curie temperature of EuO — •Nuttachai Jutong, Thomas Mairoser, Ulrich Eckern, and Udo Schwingenschlögl
15:00 TT 79.60 Investigations on the Fermi surface of SrCo2P2 — •K. Götze, J. Klotz, C. Geibel, C. Bergmann, H. Rosner, and J. Wosnitza
15:00 TT 79.61 Algebraic-diagrammatic algorithm for the high-order perturbation expansion of the Green’s function in the Mott-Hubbard insulator in high dimensionsEva Kalinowski, Walter Apel, •Martin Paech, and Eric Jeckelmann
15:00 TT 79.62 Generalization of the Time-Dependent Numerical Renormalization Group Method to Finite Temperatures and General Pulses — •Hoa Nghiem and Theodoulos A. Costi
15:00 TT 79.63 Self-energy and analytic continuation for multi-orbital quantum impurity models — •Andreas Hausoel, Nicolaus Parragh, and Giorgio Sangiovanni
15:00 TT 79.64 Hierarchical Master Equation Approach to Nonequilibrium Green’s Functions: From Transport through Interacting Quantum Dots to Dynamical Mean Field Theory — •Rainer Härtle, Guy Cohen, David R. Reichman, and Andrew J. Millis
15:00 TT 79.65 Electronic structure of substitutionally disordered systems within a pseudopotential approach — •Alexander Herbig and Rolf Heid
15:00 TT 79.66 Green functions approach to Hubbard nano-clusters with the GKBA and T-matrix approximation — •Niclas Schlünzen, Sebastian Hermanns, and Michael Bonitz
15:00 TT 79.67 Thermalization dynamics of finite Hubbard nano-clusters with non-equilibrium Green functions — •Sebastian Hermanns and Michael Bonitz
15:00 TT 79.68 Reduced density matrix functional theory via a wave function based approach — •Robert Schade, Peter Blöchl, and Thomas Pruschke
15:00 TT 79.69 Time-resolved Auger electron spectroscopy — •Roman Rausch and Michael Potthoff
15:00 TT 79.70 Singular-mode functional renormalization group vs. Fermi surface patching: A comparison of two FRG schemes applied to the 2D Hubbard model — •Julian Lichtenstein and Carsten Honerkamp
15:00 TT 79.71 Competing order in correlated electron systems made simpleJing Wang, •Andreas Eberlein, and Walter Metzner
15:00 TT 79.72 Information entropies in Fe and Ni: Numerical evidence for electronic correlation in Momentum space — •Wilhelm Hans Appelt, Diana Benea, and Liviu Chioncel
15:00 TT 79.73 Hydrodynamic long-time tails after a quantum quenchJonathan Lux, •Jan Müller, Aditi Mitra, and Achim Rosch
15:00 TT 79.74 Stochastic mean-field approach to non-equilibrium dynamics of correlated systemsChristopher Hinz, •Sebastian Hermanns, and Michael Bonitz
15:00 TT 79.75 Nonlocal quantum kinetic theory — •Klaus Morawetz and Pavel Lipavsky
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