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Regensburg 2019 – scientific programme

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TT: Fachverband Tiefe Temperaturen

TT 15: Superconductivity: Fe-based Superconductors - Other Materials and Theory

Monday, April 1, 2019, 15:00–19:00, H23

15:00 TT 15.1 Specific heat of RbEuFe4As4 - a magnetic superconductor — •Kristin Willa, Matthew Smiley, Roland Willa, Alex Koshelev, Jin-Ke Bao, Mercoury Kanatzidis, Ulrich Welp, and Wai-Kwong Kwok
15:15 TT 15.2 Magnetic order and superconductivity in RbEuFe4As4 — •Noah Winterhalter-Stocker, Stefan Gorol, Stevan Arsenijevic, Yurii Skourski, Hans-Albrecht Krug von Nidda, Mamoun Hemmida, Anton Jesche, Veronika Fritsch, and Philipp Gegenwart
15:30 TT 15.3 Disentangling magnetism and superconductivity in LaOFeAs: A NQR study — •Piotr Lepucki, Igor Morozov, Ilya Silkin, Rhea Kappenberger, Sabine Wurmehl, Saicharan Aswartham, Markus Witschel, Bernd Büchner, and Hans-Joachim Grafe
15:45 TT 15.4 Tracking nematic fluctuations using the Nernst effect in Co-doped LaFeAsO — •Christoph Wuttke, Federico Caglieris, Steffen Sykora, Frank Steckel, Xiaochen Hong, Seunghyun Kim, Rhea Kappenberger, Saicharan Aswartham, Sabine Wurmehl, Sheng Ran, Paul C. Canfield, Bernd Büchner, and Christian Hess
16:00 TT 15.5 Strain-derivative of thermoelectric coefficients: a sensitive probe for nematic fluctuations — •Federico Caglieris, Christoph Wuttke, Xiaochen Hong, Steffen Sykora, Rhea Kappenberger, Saicharan Aswartham, Sabine Wurmehl, Bernd Büchner, and Christian Hess
16:15 TT 15.6 Nematicity in BaFe2As2 and LaFeAsO single crystals studied by elastoresistance and shear modulus measurements — •Sven Sauerland, Xiaochen Hong, Liran Wang, Francesco Scaravaggi, Anja U.B. Wolter, Rhea Kappenberger, Saicharan Aswartham, Sabine Wurmehl, Steffen Sykora, Federico Caglieris, Christian Hess, Bernd Büchner, and Rüdiger Klingeler
16:30 TT 15.7 Checkerboard electronic structure in Na0.96Li0.04FeAs — •Jose M. Guevara, Zhixiang Sun, Steffen Sykora, Chanhee Kim, Aga Shahee, Dilipkumar Bhoi, Kee Hoon Kim, Bernd Büchner, and Christian Hess
16:45 TT 15.8 Bandwidth controlled insulator-metal transition in BaFe2S3: A Mössbauer study under pressure — •Philipp Materne, Wenli Bi, Jiyong Zhao, Michael Yu Hu, Maria Lourdes Amigó, Silvia Seiro, Saicharan Aswartham, Bernd Büchner, and Esen Ercan Alp
17:00 TT 15.9 Finite electronic correlations and two-dome superconductivity across a clean nematic quantum phase transition — •Pascal Reiss, David Graf, Amir A Haghighirad, William Knafo, Loïc Drigo, Matt Bristow, Andrew J Schofield, and Amalia I Coldea
  17:15 15 min. break.
17:30 TT 15.10 Invited Talk: Theory of superconducting pairing in iron-based superconductors — •Andreas Kreisel
18:00 TT 15.11 Symmetry-resolved strain tuning of composite nematic order — •Roland Willa, Max Fritz, and Jörg Schmalian
18:15 TT 15.12 Quasiparticle Interference and Symmetry of Superconducting Order Parameter in Strongly Electron-Doped Iron-based Superconductors — •Jakob Böker, Pavel Volkov, Peter Hirschfeld, and Ilya Eremin
18:30 TT 15.13 Enhanced Friedel oscillations by nematic fluctuations in an iron-based superconductor — •Steffen Sykora, Zhixiang Sun, Jose M. Guevara, Bernd Büchner, and Christian Hess
18:45 TT 15.14 Nematic fluctuations close to quantum criticality: a new method for comparing simulations and experiments — •Daniel Jost, Samuel Lederer, Thomas Böhm, Yoni Schattner, Erez Berg, Steven Kivelson, and Rudi Hackl
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