Focus Session: Iron Based Superconductors -- Gap Symmetry

Presentations

• Nodal and nodeless Superconductivity in Iron-Based Superconductors

  COFFEE_KLATCH · Invited

  March 24, 2011, 2:30 PM – March 24, 2011, 3:06 PM

  Authors

  • Ronny Thomale

    • Princeton University

  View abstract →

• Do theoretical calculations really predict nodes in Fe-based superconductors?

  ORAL

  March 24, 2011, 3:06 PM – March 24, 2011, 3:18 PM

  Authors

  • Igor Mazin

    • Naval Research Laboratory

  View abstract →

• Competing Pairing Symmetries in a Generalized Two-Orbital Model for the Pnictides

  ORAL

  March 24, 2011, 3:18 PM – March 24, 2011, 3:30 PM

  Authors

  • A. Nicholson

    • University of Tennessee and ORNL

  • W. Ge

    • University of Tennessee and ORNL

  • X. Zhang

    • University of Tennessee and ORNL

  • J. Riera

    • Universidad Nacional de Rosario

  • Maria Daghofer

    • IFW Dresden

  • A. Oles

    • Max-Plank Institut fur Festkorperforchung, Heienberstrasse

  • George Martins

    • Oakland University
    • Oakland Univ.
    • Oakland University, MI

  • Adriana Moreo

    • University of Tennessee and ORNL
    • Univ. of Tennessee/ORNL
    • University of Tennessee and Oak Ridge National Laboratory
    • University of Tennessee and Oak Ridge National Lab

  • Elbio Dagotto

    • University of Tennessee and ORNL
    • University of Tennessee
    • Univ. of Tennessee/ORNL
    • UTK, ORNL

  View abstract →

• What the magnitude of $2\Delta/T_c$ on the hole pockets can tell us about the structure of the gaps on electron pockets in Fe-based superconductors?

  ORAL

  March 24, 2011, 3:30 PM – March 24, 2011, 3:42 PM

  Authors

  • Saurabh Maiti

    • University of Wisconsin

  • Andrey Chubukov

    • University of Wisconsin, Madison
    • University of Wisconsin

  View abstract →

• Observation of a ubiquitous three-dimensional superconducting gap function in optimally-doped Ba$_{0.6}$K$_{0.4}$Fe$_2$As$_2$

  ORAL

  March 24, 2011, 3:42 PM – March 24, 2011, 3:54 PM

  Authors

  • P. Zheng

    • Chinese Academy of Sciences

  • N.-L. Wang

    • Chinese Academy of Sciences

  • Y.-M. Xu

    • Lawrence Berkeley National Laboratory

  • Y.-B. Huang

    • Chinese Academy of Sciences

  • X.-Y. Cui

    • Swiss Light Source

  • E. Razzoli

    • Swiss Light Source

  • M. Radovic

    • Swiss Light Source

  • M. Shi

    • Swiss Light Source

  • G.-F. Chen

    • Renmin University

  • C.-L. Zhang

    • Oak Ridge National Laboratory

  • P.-C. Dai

    • The University of Tennessee

  • J.-P. Hu

    • Purdue University

  • Z. Wang

    • Boston College

  • H. Ding

    • Chinese Academy of Sciences

  View abstract →

• Field dependence of the zero energy density of states of an anisotropic $s_{\pm}$ superconductor

  ORAL

  March 24, 2011, 3:54 PM – March 24, 2011, 4:06 PM

  Authors

  • Yan Wang

    • Department of Physics, University of Florida, Gainesville, FL 32611, USA

  • Peter Hirschfeld

    • Department of Physics, University of Florida, Gainesville, FL 32611, USA
    • Physics, University of Florida
    • University of Florida
    • Department of Physics, University of Florida, Gainesville, Florida 32611, USA

  • Siegfried Graser

    • University of Augsburg
    • EKM, Institute of Physics, University of Augsburg, 86135 Augsburg, Germany
    • Center for Electronic Correlations and Magnetism, Institute of Physics, University of Augsburg

  View abstract →

• Measurement of a sign-changing two-gap superconducting phase in Ba(Fe$_{1-x}$Co$_{x}$)$_{2}$As$_{2}$ single crystals using scanning tunneling spectroscopy (STS)

  ORAL

  March 24, 2011, 4:06 PM – March 24, 2011, 4:18 PM

  Authors

  • M.L. Teague

    • Dept. of Physics, Caltech, Pasadena, CA 91125, USA

  • G.K. Drayna

    • Dept. of Physics, Caltech, Pasadena, CA 91125, USA

  • G.P. Lockhart

    • Dept. of Physics, Caltech, Pasadena, CA 91125, USA

  • T.P. Wu

    • Dept. of Physics, Caltech, Pasadena, CA 91125, USA

  • N.-C. Yeh

    • Dept. of Physics, Caltech, Pasadena, CA 91125, USA

  • P. Chen

    • Institute of Physics, Chinese Academy of Sciences, CHINA

  • B. Shen

    • Institute of Physics, Chinese Academy of Sciences, CHINA

  • H.-H. Wen

    • Institute of Physics, Chinese Academy of Sciences, CHINA

  View abstract →

• Local measurement of the superfluid density in the pnictide superconductors $Ba(Fe_{1-x} Co_x )_2 As_2 $ across the superconducting dome

  ORAL

  March 24, 2011, 4:18 PM – March 24, 2011, 4:30 PM

  Authors

  • Lan Luan

    • Stanford institute for materials and energy science, SLAC

  • Thomas Lippman

    • Stanford institute for materials and energy science, SLAC
    • Stanford Institute for Materials and Energy Sciences, SLAC National Accelerator Laboratory, 2575 Sand Hill Road, Menlo Park, CA 94025, USA.

  • C.W. Hicks

    • School of Physics and Astronomy, University of St Andrews

  • Ophir Auslaender

    • Physics Department, Technion-Israel Institute of Technology
    • Technion - Israel Institute of Technology

  • J.A. Bert

    • Stanford University
    • Stanford institute for materials and energy science, SLAC

  • J.-H. Chu

    • Stanford institute for materials and energy science, SLAC
    • SLAC, Stanford University
    • Standford

  • James Analytis

    • Stanford University
    • Stanford institute for materials and energy science, SLAC
    • SLAC, Stanford University
    • SLAC

  • Ian Fisher

    • Department of Applied Physics, Stanford University
    • Stanford University
    • Stanford institute for materials and energy science, SLAC
    • SLAC, Stanford University
    • Stanford

  • Kathryn Moler

    • Stanford institute for materials and energy science, SLAC
    • Stanford Institute for Materials and Energy Sciences, SLAC National Accelerator Laboratory, 2575 Sand Hill Road, Menlo Park, CA 94025, USA.
    • Stanford University

  View abstract →

• A sign of change: pinning down the pairing symmetry of the iron-based superconductors

  ORAL

  March 24, 2011, 4:30 PM – March 24, 2011, 4:42 PM

  Authors

  • Erez Berg

    • Department of Physics, Harvard University
    • Harvard University
    • Physics Department, Harvard University, Cambridge, MA 02138, USA

  • Netanel Lindner

    • California Institute of Technology

  • Tamar Pereg-Barnea

    • California Institute of Technology

  View abstract →

• Probing the Superconducting Order Parameter of Ba(Fe$_{1-x}$Co$_{x})_{2}$As$_{2}$ by Josephson Interferometry

  ORAL

  March 24, 2011, 4:42 PM – March 24, 2011, 4:54 PM

  Authors

  • J.M. Atkinson

    • University of Illinois at Urbana-Champaign

  • D.J. Van Harlingen

    • University of Illinois at Urbana-Champaign
    • U. of Illinois at Urbana-Champaign
    • Department of Physics, University of Illinois at Urbana-Champaign

  • P. Canfield

    • Iowa State University

  • N. Ni

    • Iowa State University

  • J.D. Strand

    • Syracuse University

  View abstract →

• Robust nodal gap structure in BaFe$_2$(As$_{1-x}$P$_x$)$_2$ with P doping revealed by magnetic penetration depth measurements

  ORAL

  March 24, 2011, 4:54 PM – March 24, 2011, 5:06 PM

  Authors

  • Kenichiro Hashimoto

  • Ryo Katsumata

  • Sho Tonegawa

  • Shigeru Kasahara

  • Takahito Terashima

  • Takasada Shibauchi

  • Yuji Matsuda

    • Kyoto University

  • Alessandro Serafin

  • Antony Carrington

    • University of Bristol

  View abstract →

• Two-Gap Paring of the Optimal Doped (M,K)Fe$_{2}$As$_{2}$ with M = Ba, Sr

  ORAL

  March 24, 2011, 5:06 PM – March 24, 2011, 5:18 PM

  Authors

  • Fengyan Wei

    • Texas Center for Superconductivity at University of Houston and Department of Physics

  • Bing Lv

    • Texas Center for Superconductivity at University of Houston
    • Department of Physics and TcSUH, University of Houston
    • Dept. of Physics and TcSUH, University of Houston

  • Feng Chen

    • Texas Center for Superconductivity at University of Houston and Department of Physics
    • Dept. of Physics and TcSUH, University of Houston

  • Y.Y. Xue

    • Texas Center for Superconductivity at University of Houston and Department of Physics
    • Department of Physics and TcSUH, University of Houston

  • Paul C. W. Chu

    • Texas Center for Superconductivity at University of Houston and Department of Physics,Lawrence Berkeley National Laboratory
    • Department of Physics and TcSUH at the University of Houston; Lawrence Berkeley National Laboratory
    • Department of Physics, TcSUH, University of Houston and Lawrence Berkeley National Laboratory
    • Dept. of Physics and Texas Center for Superconductivity, University of Houston, Houston, TX 77204-5002
    • Univ of Houston
    • TCSUH and Department of Physics, University of Houston, Houston, Texas 77024-5002, USA
    • Department of Physics and TcSUH, University of Houston
    • Dept. of Physics and TcSUH, University of Houston
    • Texas Center for Superconductivity, University of Houston and Lawrence Berkeley National Laboratory

  View abstract →

• Superconducting gap measurements on Co-doped SrFe2As2 single crystals by point contact spectroscopy

  ORAL

  March 24, 2011, 5:18 PM – March 24, 2011, 5:30 PM

  Authors

  • Cassandra R. Hunt

    • University of Illinois at Urbana-Champaign

  • H.Z. Arham

    • University of Illinois at Urbana-Champaign
    • U. Illinois, U-C

  • W. K. Park

    • University of Illinois at Urbana-Champaign
    • Univ. of Ill. at Urbana-Champaign

  • L.H. Greene

    • University of Illinois at Urbana-Champaign
    • University of Illinois
    • University of Illinois at Urbana Champaign
    • Univ. of Ill. at Urbana-Champaign
    • U. Illinois, U-C

  • J. Gillett

    • University of Cambridge

  • S. Sebastian

    • University of Cambridge

  View abstract →