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TT: Fachverband Tiefe Temperaturen

TT 72: Poster Session: Correlated Electrons

Wednesday, March 14, 2018, 15:00–19:00, Poster B

15:00 TT 72.1 Fermi Surface determination of CeAl2 via de Haas-van Alphen oscillations — •Michael Petrov, Chris Franz, Schorsch Sauther, Andreas Bauer, Mark Wilde, and Christian Pfleiderer
15:00 TT 72.2 Low-temperature properties of the non-centrosymmetric heavy-fermion compound CeTAl3 (T = Cu, Ag, Au, Pd, Pt)Christian Franz, Stefan Weber, •Jan Spallek, Alexander Regnat, Petr Cermak, Astrid Schneidewind, Andreas Bauer, Anatoly Senyshyn, and Christian Pfleiderer
15:00 TT 72.3 Pressure and field dependent entropy of the heavy-fermion system CePdAl — •Kai Grube, Sebastian Kuntz, Chien-Lung Huang, Veronika Fritsch, and Hilbert von Löhneysen
15:00 TT 72.4 Evolution of magnetic order in HoIn1−xCdxCu4Christina Baumeister, Oliver Stockert, and •Veronika Fritsch
15:00 TT 72.5 Crystal structure and magnetic properties of CeMg3−xAgx — •Alexander Engel, Georg Eickerling, Ernst-Wilhelm Scheidt, Philipp Gegenwart, and Veronika Fritsch
15:00 TT 72.6 3D topological Kondo insulators: effects of strong correlations onthe stability of topological phases — •Paul Züge, Soroush Arabi, Francisco Meirinhos, and Johann Kroha
15:00 TT 72.7 Slave Boson Mean Field - revisited — •Jannis Seufert, David Riegler, Michael Klett, and Ronny Thomale
15:00 TT 72.8 Towards the crystal growth of nuclear spin tuned YbRh2Si2 — •Thanh Duc Nguyen, Doan-My Tran, Sebastian Witt, and Cornelius Krellner
15:00 TT 72.9 High-Pressure studies on the quasi-one-dimensional heavy fermion metal YbNi4P2 — •Takaki Muramatsu, Kristin Kliemt, Cornelius Krellner, and Sven Friedemann
15:00 TT 72.10 Crystal Growth with Flux Method and Characterization of CeRu2P2 — •Fabian Feldmann, Kristin Kliemt, and Cornelius Krellner
15:00 TT 72.11 Characterization of Hf and Sc substituted YbNi4P2 single crystals — •Paul Denck, Kristin Kliemt, and Cornelius Krellner
15:00 TT 72.12 Hydrostatic-pressure tuning of the magnetic states in the frustrated itinerant system YFe4Si2 — •C. Thurn, B. Wolf, C. Krellner, N. Mufti, C. Geibel, and M. Lang
15:00 TT 72.13 Higher order transport mechanisms using matrix product — •Simon Kothe, Lars-Hendrik Frahm, and Daniela Pfannkuche
15:00 TT 72.14 Effective interactions between rotating impurities immersed in a bosonic bath — •xiang li and mikhail lemeshko
15:00 TT 72.15 Emergence of non-abelian magnetic monopoles in a quantum impurity problem — •Enderalp Yakaboylu, Andreas Deuchert, and Mikhail Lemeshko
15:00 TT 72.16 Thomas Fermi regime of neutrons stars at finite temperature — •Kouidri smail
15:00 TT 72.17 Evolution of the order parameter close to the CDW quantum critical point in Lu(Pt1-xPdx)2In — •Stefan Lucas, Thomas Gruner, Andreas Hoser, Manfred Reehuis, Karin Schmalzl, Michael Marek Koza, Christoph Geibel, and Oliver Stockert
15:00 TT 72.18 Crystal growth and soft phonon mode of the quantum critical CDW system Lu(Pt1−xPdx)2In — •Thomas Gruner, Stefan Lucas, Satoshi Tsutsui, Koji Kaneko, Oliver Stockert, and Christoph Geibel
15:00 TT 72.19 Ising tricriticality in the extended Hubbard model with bond dimerization — •Florian Lange, Satoshi Ejima, and Holger Fehske
15:00 TT 72.20 Fluctuation effects at the onset of 2kF density wave order with one pair of hot spots in two dimensional metals — •Jachym Sykora, Tobias Holder, and Walter Metzner
15:00 TT 72.21 Non-linear integral equations for the XXX-1/2-chain with off-diagonal boundary conditions — •Dennis Wagner and Andreas Klümper
15:00 TT 72.22 Quantum Monte Carlo simulations of quantum critical fermions — •Carsten Bauer, Yoni Schattner, Erez Berg, and Simon Trebst
15:00 TT 72.23 High-field ESR studies of the honeycomb-lattice material α-RuCl3 — •Alexey N. Ponomaryov, E. Schulze, J. Wosnitza, P. Lampen-Kelley, A. Banerjee, J.Q. Yan, C.A. Bridges, D.G. Mandrus, S.E. Nagler, A.K. Kolezhuk, and S.A. Zvyagin
15:00 TT 72.24 RIXS on the j = 1/2 double perovskite Ba2CeIrO6 — •Chin Chyi Loo, Alessandro Revelli, Anna Efimenko, Marco Moretti Sala, Giulio Monaco, Thomas Koethe, Petra Becker, Ladislav Bohatý, Paul H. M. van Loosdrecht, and Markus Grüninger
15:00 TT 72.25 RIXS on 5d5 Ba3CeIr2O9 and Ba3TixIr3−xO9 — •Alessandro Revelli, Marco Moretti Sala, Giulio Monaco, Petra Becker, Ladislav Bohatý, Thomas Koethe, Tobias Fröhlich, Maria Hermanns, Paul H.M. van Loosdrecht, Jeroen van den Brink, and Markus Grüninger
15:00 TT 72.26 Influence of the mixed-valence state of Ir on the structural properties of Ba3MIr2O9 (M= In, Lu, Mg) — •Georg Bothmann, Tusharkanti Dey, Anatoliy Senyshyn, Philipp Gegenwart, and Alexander Tsirlin
15:00 TT 72.27 Honeycomb Kitaev iridate and rhodate thin films — •Maximilian Uhl, Sebastian Esser, Vladimir Roddatis, Vasily Moshnyaga, and Philipp Gegenwart
  15:00 TT 72.28 The contribution has been withdrawn.
15:00 TT 72.29 Influence of Negative Charge Carrier Doping in Nd2Ir2O7 on Structure and Magnetic Behavior — •Sebastian Selter, Ameya Prabhune, Anja U. B. Wolter, Saicharan Aswartham, and Bernd Buechner
15:00 TT 72.30 Spin-orbital superexchange and spin-orbit coupling — •Pascal Strobel and Maria Daghofer
15:00 TT 72.31 Excitation spectra of hard-core bosons in strongly spin-orbit coupled Van Vleck-type d4 Mott insulators — •Friedemann Aust and Maria Daghofer
15:00 TT 72.32 Variational Cluster Approximation for d4 systems — •Teresa Feldmaier and Maria Daghofer
15:00 TT 72.33 The Kitaev-Heisenberg bilayer: a series expansion analysis — •Erik Wagner and Wolfram Brenig
15:00 TT 72.34 Coexistence of phase transitions and hysteresis near the onset of Bose-Einstein condensationMichael Maennel and •Klaus Morawetz
15:00 TT 72.35 Quantum transport and response with spin-orbit coupling in magnetic fields — •Klaus Morawetz
15:00 TT 72.36 Magnetic ground state of the cubic perovskite Ba3NiNb2O9 — •Sh. Yamamoto, G. Aslan Cansever, T. Gottschall, M. Uhlarz, C. G. F. Blum, A. Wolter-Giraud, S. Aswartham, S. Wurmehl, T. Herrmannsdörfer, S. Seiro, B. Büchner, and J. Wosnitza
15:00 TT 72.37 Magnetism of the effective spin-1/2 chain compound Cs2CoCl4−xBrx — •Severin Kopatz, Oliver Breunig, Daniel Brüning, Ladislav Bohatý, Petra Becker, and Thomas Lorenz
15:00 TT 72.38 Persistent spin dynamics in NaCaCo2F7 as evidenced by µSR — •Sascha Albert Bräuninger, Rajib Sarkar, Jason W. Krizan, Philip Materne, Chris Baines, Hubertus Luetkens, Robert J. Cava, and Hans-Henning Klauss
15:00 TT 72.39 Frustrated magnetism in the Eu-based intermetallic system EuIr2P2 — •Diego Gaspar Franco and Christoph Geibel
15:00 TT 72.40 Magnetic properties of single crystalline clinoatacamite — •Jan Lennart Winter, Leonie Heinze, Dirk Menzel, Stefan Süllow, Pascal Puphal, Cornelius Krellner, Manfred Reehuis, and Ralf Feyerherm
15:00 TT 72.41 Crystal growth in aqueous solution of Cs2CuCl4 and Cs2ZnCl4−xBrx using the evaporation method — •Susanna Rongstock, Nazia Kaya, Franz Ritter, and Cornelius Krellner
15:00 TT 72.42 Kagome systems - The search for new quantum spin liquid candidates — •Katharina M. Zoch, Pascal Puphal, and Cornelius Krellner
  15:00 TT 72.43 The contribution has been withdrawn.
15:00 TT 72.44 Magnetic and thermodynamic characterization of single crystals of La2MM’O6 (M = Mg, Zn, Co and M’=Ru, Ir) — •Randirley Beltrán, Gaël Bastien, Sebastian Gaß, Anja U.B. Wolter, Ryan Morrow, Michael Vogl, Mihai Sturza, Sabine Wurmehl, and Bernd Büchner
15:00 TT 72.45 A SUSY-connection between classical spin spirals and free fermions — •Jan Attig, Krishanu Roy Chowdhury, Michael Lawler, and Simon Trebst
15:00 TT 72.46 Frustrated magnetism in the Kondo lattice on a zig-zag ladder — •Lena Woelk, Matthias Peschke, and Michael Potthoff
15:00 TT 72.47 Spin liquid behaviour in the disordered double perovskite BaTi1/2Mn1/2O3M. R. Cantarino, •R. Sarkar, R.S. De Freitas, H. Luetkens, C. Baines, R. Lora-Serrano, R.P. Amaral, S. Brauninger, V. Grinenko, H.-H. Klauss, E. C. Andrade, and F. A. Garcia
15:00 TT 72.48 Magnetisation of lithium nitridometalates and magnetite nanoparticles upon electrochemical cycling — •Elisa Thauer, Michael Richter, Manuel Fix, Anton Jesche, and Rüdiger Klingeler
15:00 TT 72.49 Electron spin resonance studies on the frustrated tripod-Kagome material Mg2Gd3Sb3O14 — •Christoph Wellm, Julian Zeisner, Mihai Sturza, Bernd Büchner, and Vladislav Kataev
15:00 TT 72.50 Probing the Kitaev-Heisenberg material α-RuCl3 via field-dependent microwave absorption — •Christoph Wellm, Julian Zeisner, Alexey Alfonsov, Anja Wolter, Maria Roslova, Anna Isaeva, Thomas Doert, Matthias Vojta, Bernd Büchner, and Vladislav Kataev
15:00 TT 72.51 Interaction effects on surface flat bands in 3D Kitaev spin liquids — •Christoph Berke and Simon Trebst
15:00 TT 72.52 Thermodynamics of Kitaev magnets — •Bahareh Ghannad and Simon Trebst
  15:00 TT 72.53 The contribution has been withdrawn.
15:00 TT 72.54 Disorder and Correlations in 3D Kitaev Models — •Kevin O'Brien, Maria Hermanns, and Simon Trebst
15:00 TT 72.55 Thermodynamics of a gauge-frustrated Kitaev spin liquid — •Tim Eschmann, Petr A. Mishchenko, Yasuyuki Kato, Yukitoshi Motome, and Simon Trebst
15:00 TT 72.56 Splitting of the magnetic monopole excitation energy in spin ice — •Jacob Hornung, Tino Gottschall, Mathis Antlauf, Lars Opherden, Thomas Herrmannsdörfer, and Jochen Wosnitza
15:00 TT 72.57 ESR on the S=1/2 triangular magnet NaYbS2 — •Jörg Sichelschmidt, Michael Baenitz, Philipp Schlender, and Thomas Doert
15:00 TT 72.58 From Kitaev exchange towards quantum disorder: A pressure dependent optical study on α-RuCl3 — •Tobias Biesner, Weiwu Li, Yohei Saito, Andrej Pustogow, Martin Dressel, Anja Wolter-Giraud, Bernd Büchner, Maria Roslova, and Thomas Doert
15:00 TT 72.59 Comparative thermal expansion study on organic quantum-spin-liquid-candidate systems — •S. Hartmann, R. S. Manna, J. Schlueter, Y. Yoshida, and M. Lang
15:00 TT 72.60 Phase diagram of chiral antiferromagnets — •Benjamin Wolba, Sebastian Mühlbauer, and Markus Garst
15:00 TT 72.61 Interface-driven Skyrmions in SrRuO3 based heterostructures — •Sven Esser, Sebastian Esser, Anton Jesche, Vladimir Roddatis, and Philipp Gegenwart
15:00 TT 72.62 High-frequency EPR and magnetization studies on azopyridine-bridged transition metal dinuclear complexes — •Felix Spathelf, Marco Hoffmann, Changhyun Koo, Roland Bischoff, Hans-Jörg Krüger, and Rüdiger Klingeler
15:00 TT 72.63 high frequency EPR studies on lanthanide monomers in different ligand structures — •sajedeh shahbazi, johannes werner, julian butscher, changhyun koo, asha roberts, peter comba, denis gorbunov, and rüdiger klingeler
15:00 TT 72.64 Thermal and thermal-Hall conductivity study of SrCu2(BO3)2 — •Stevan Arsenijević, Hanna Dabkowska, Bruce Gaulin, Raivo Stern, and Jochen Wosnitza
15:00 TT 72.65 Magnetic and Structural Properties of the Trirutile-type 1D Heisenberg Antiferromagnet CuTa2O6 — •A. Golubev, R. E. Dinnebier, A. Schulz, R.K. Kremer, H. Langbein, A. Senyshyn, J. M. Law, T. Hansen, H.-J Koo, and M.-H. Whangbo
15:00 TT 72.66 NMR of the two-dimensional S = 1/2 Heisenberg antiferromagnet CuPOF — •D. Dmytriieva, Z. T. Zhang, M. Uhlarz, C. P. Landee, J. Wosnitza, and H. Kühne
15:00 TT 72.67 Superposition of FM and AFM Cu(II) spin-1/2 chains in BaAg2Cu[VO4]2 studied by magnetic resonance spectroscopies — •Y. Krupskaya, M. Schäpers, A.U.B. Wolter, H.-J. Grafe, E. Vavilova, A. Möller, B. Büchner, and V. Kataev
15:00 TT 72.68 High-Pressure Transport Studies in 2H-NbSe2 — •Owen Moulding and Sven Friedemann
15:00 TT 72.69 Resistance peak at the superconducting transition of SrTiO3/Al2O3−x-heterostructures — •Daniel Arnold, Roland Schäfer, Dirk Fuchs, and Karsten Wolff
15:00 TT 72.70 Investigation of LAO/STO nanostructures — •Mithun S Prasad, Mohzin Minhas, Alexander Müller, and Georg Schmidt
15:00 TT 72.71 Tuning the electric interface properties of amorphous AlOx/SrTiO3 interfaces — •Berengar Leikert, Judith Gabel, Martin Stübinger, Philipp Scheiderer, Matthias Schmitt, Tien-Lin Lee, Michael Sing, and Ralph Claessen
15:00 TT 72.72 Investigating the charge transfer in LaVO3/SrTiO3 heterostructures by photoemission spectroscopy — •Martin Stübinger, Judith Gabel, Philipp Gagel, Christoph Schlueter, Tien-Lin Lee, Michael Sing, and Ralph Claessen
15:00 TT 72.73 Strain-induced metal-to-insulator transition in LiV2O4 thin films — •Ulrike Niemann, Daigorou Hirai, and Hidenori Takagi
15:00 TT 72.74 Electronic Structure of Palladium Measured by Compton Scattering and Electron-Positron Annihilation. — •Josef Helmut Schmidbauer, Michael Leitner, and Christoph Pascal Hugenschmidt
15:00 TT 72.75 Electronic structure of the B20 compound CrGe — •J. Klotz, K. Götze, J. Bruin, C. Geibel, K. Weber, M. Schmidt, H. Rosner, and J. Wosnitza
15:00 TT 72.76 Interplay of spin-orbit coupling, crystal-field and electronic correlations in ruthenate oxides — •Esmaeel Sarvestani, Guoren Zhang, Evgeny Gorelov, and Eva Pavarini
15:00 TT 72.77 Spin-Orbit Coupling and Electronic Corrleations in Ca2RuO4 — •Michael T. Schmid, Philipp Hansmann, and Maria Daghofer
15:00 TT 72.78 Spin dynamics in a honeycomb compound probed by magnetic resonance technique — •Margarita Iakovleva, Hans-Joachim Grafe, Angela Möller, T. Taetz, Evgeniia Vavilova, Bernd Büchner, and Vladislav Kataev
15:00 TT 72.79 Strong electronic correlations: the example of VO2 — •Elham Khorasani, Malte Schüler, Bálint Aradi, and Peter Deák
15:00 TT 72.80 Lattice dynamics of palladium in the presence of many-body effects — •Wilhelm Appelt, Andreas Östlin, Ivan Leonov, Michael Sekania, and Liviu Chioncel
15:00 TT 72.81 Flavor-twisted Boundary Conditions for calculation of two-particle correlation functions — •Jonas Heverhagen and Maria Daghofer
15:00 TT 72.82 CT-1/2-HYB-QMC: a new solver for time-dependent Anderson impurity — •Patryk Kubiczek, Alexey N. Rubtsov, and Alexander I. Lichtenstein
15:00 TT 72.83 Variational approach to models with strongly correlated electrons — •Philip Mirbach, Malte Schüler, Tim Wehling, and Gerd Czycholl
15:00 TT 72.84 The finite-temperature Lanczos method as solver for the variational cluster approach — •Jan Lotze and Maria Daghofer
15:00 TT 72.85 Theoretical investigation of excitonic agnetism in LaSrCoO4 — •juan fernandez afonso, andrii sotnikov, and jan kunes
15:00 TT 72.86 Anisotropy crossover in the frustrated Hubbard model on four-chain cylinders — •Georg Ehlers, Benjamin Lenz, Salvatore R. Manmana, and Reinhard M. Noack
15:00 TT 72.87 Doublon Formation by Ions Impacting a Strongly Correlated SystemKarsten Balzer, •Niclas Schlünzen, Maximilian Rodriguez Rasmussen, and Michael Bonitz
15:00 TT 72.88 Analytical Evidences for Particle Induced Doublons in Strongly Correlated Systems — •Maximilian Rodriguez Rasmussen, Karsten Balzer, Niclas Schlünzen, and Michael Bonitz
15:00 TT 72.89 Prethermalization after a short electric field pulse — •Marc Alexander and Marcus Kollar
15:00 TT 72.90 Generalized Gibbs ensembles in weakly open quantum systems — •Florian Lange, Zala Lenarcic, and Achim Rosch
15:00 TT 72.91 Single-hole dynamics in two-leg t-J ladder systems with matrix product states (MPS) — •Alexander Osterkorn, Fabian Grusdt, Sebastian Paeckel, Thomas Köhler, and Salvatore Manmana
15:00 TT 72.92 EPR studies of the triangular-lattice antiferromagnet Cs2CuBr4 — •Erik Schulze, Alexey N. Ponomaryov, Jochen Wosnitza, Hidekazu Tanaka, and Sergei A. Zvyagin
15:00 TT 72.93 NMR study in the expected spin nematic state in Linarite — •Gaël Bastien, Quentin Goutaland, Hans Joachim Grafe, Edwin Kermarrec, Fabrice Bert, Philippe Mendels, Stefan Ludwig Drechsler, Satoshi Nishimoto, Stefan Süllow, Kirrily Rule, Anja U. B. Wolter, and Bernd Büchner
15:00 TT 72.94 Non-linear optical response in SrCuO2 — •Philipp Warzanowski, Eva Benckiser, Dalila Bounoua, Paul H. M. van Loosdrecht, Christian Hess, and Markus Grüninger
15:00 TT 72.95 Flat bands in fractal-like geometry — •Biplab Pal and Kush Saha
15:00 TT 72.96 Automated construction of U(1)-invariant matrix-product operators from graph representations — •Sebastian Paeckel, Thomas Köhler, and Salvatore Manmana
15:00 TT 72.97 Multiferroicity in Ni3TeO6 and PbNi6Mn2Te3O18 - a comparative Raman study — •Florian Büscher, Dirk Wulferding, Peter Lemmens, Raman Sankar, and Fang-Cheng Chou
15:00 TT 72.98 Magnetic properties of the spin-1 chain compound NiCl3C6H5CH2CH2NH3Ferdinand Lipps, Anke Arkenbout, Alexey Polyakov, Marco Günter, Timur Salikhov, Eugeniia Vavilova, Hans-Henning Klauss, Bernd Büchner, Thomas Palstra, and •Vladislav Kataev
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