Focus Session: Fe-based Superconductors - Nodal and Nodeless Superconductivity

Presentations

• Evolution of symmetry and structure of the gap in Fe-based superconductors with doping and interactions

  ORAL

  Feb. 28, 2012, 11:15 AM – Feb. 28, 2012, 11:27 AM

  Authors

  • Andrey Chubukov

    • University of Wisconsin
    • University of Wisconsin-Madison
    • University of Wisconsin, Madison
    • Dept. of Physics, University of Wisconsin-Madison

  • Saurabh Maiti

    • University of Wisconsin-Madison
    • Dept. of Physics, University of Wisconsin-Madison

  • Maxim Korshunov

    • Russian Academy of Sciences, Siberian branch
    • L.V. Kirensky Institute of Physics, Siberian Branch of Russian Academy of Sciences, Russia; Siberian Federal University, Russia.

  • Thomas Maier

    • Oak Ridge National Laboratory
    • Oak Ridge National Lab.
    • Oak Ridge National Lab
    • Oak Ridge National Laboratory (ORNL)

  • P.J. Hirschfeld

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

  View abstract →

• Non-Fermi liquid behavior in overdoped iron-pnictides

  ORAL

  Feb. 28, 2012, 11:27 AM – Feb. 28, 2012, 11:39 AM

  Authors

  • Johnpierre Palione

    • University of Maryland
    • Center for Nanophysics and Advanced Materials, Department of Physics, University of Maryland-College Park
    • Center for Nanophysics and Advanced Materials, Dept. of Physics, University of Maryland, College Park, MD 20742
    • University of Maryland, College Park
    • Center for Nanophysics and Advanced Materials, Department of Physics, University of Maryland, College Park, Maryland 20742, USA
    • Center for Nanophysics and Advanced Materials, Physics Dept., University of Maryland
    • Center for Nanophysics \& Advanced Materials and Department of Physics, University of Maryland

  • Kevin Kirshenbaum

    • University of Maryland

  • Shanta Saha

    • University of Maryland

  • Tyler Drye

    • University of Maryland

  View abstract →

• Probing the Superconducting Order Parameter of Co-doped BaFe$_2$As$_2$ by Josephson Interferometry

  ORAL

  Feb. 28, 2012, 11:39 AM – Feb. 28, 2012, 11:51 AM

  Authors

  • Juan Atkinson

    • University of Illinois at Urbana-Champaign

  • Dale Van Harlingen

    • University of Illinois at Urbana-Champaign
    • University of Illinois Urbana Champaign

  • Paul Canfield

    • Ames Laboratory, Iowa State University
    • Ames Laboratory U.S. DOE and Department of Physics and Astronomy, Iowa State University
    • Department of Physics and Astronomy and Ames Laboratory-USDOE, Iowa State University
    • Department of Physics and Astronomy, Iowa State University and Ames Laboratory
    • Ames Laboratory and Iowa State University
    • Ames Laboratory and Department of Physics, Iowa State University

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• Nodal structure and quantum critical point beneath the superconducting dome of BaFe$_2$(As$_{1-x}$P$_x$)$_2$

  COFFEE_KLATCH · Invited

  Feb. 28, 2012, 11:51 AM – Feb. 28, 2012, 12:27 PM

  Authors

  • Yuji Matsuda

    • Department of Physics, Kyoto University
    • Kyoto University

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• London penetration depth in single crystals SrFe$_2$(As$_{0.65}$P$_{0.35}$)$_2$

  ORAL

  Feb. 28, 2012, 12:27 PM – Feb. 28, 2012, 12:39 PM

  Authors

  • Charles P. Strehlow

    • Ames Laboratory

  • K. Cho

    • Ames Laboratory

  • M.A. Tanatar

    • Ames Laboratory

  • R. Prozorov

    • Ames Laboratory

  • T. Kobayashi

    • Dept. of Physics, Osaka University, Osaka, Japan

  • S. Miasaka

    • Dept. of Physics, Osaka University, Osaka, Japan

  • S. Tajima

    • Dept. of Physics, Osaka University, Osaka, Japan

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• London penetration depth in heavily over-doped Ba(Fe$_{1-x}$Co$_x$)$_{2}$As$_{2}$

  ORAL

  Feb. 28, 2012, 12:39 PM – Feb. 28, 2012, 12:51 PM

  Authors

  • Jason Murphy

    • The Ames Laboratory

  • H. Kim

    • The Ames Laboratory

  • M.A. Tanata

    • The Ames Laboratory

  • A. Thaler

    • The Ames Laboratory

  • P.C. Canfield

    • The Ames Laboratory

  • U. Welp

    • Argonne National Laboratory

  • W.K. Kwok

    • Argonne National Laboratory

  • R. Prozorov

    • The Ames Laboratory

  View abstract →

• Specific Heat To H$_{c2}$: Evidence for Nodes or Deep Minima in the Superconducting Gap of Under- and Overdoped BaFe$_{2-x}$Co$_{x}$As$_{2}$

  ORAL

  Feb. 28, 2012, 12:51 PM – Feb. 28, 2012, 1:03 PM

  Authors

  • G.R. Stewart

    • Department of Physics, Univ. Florida, Gainesville, FL

  • J.S. Kim

    • Department of Physics, Univ. Florida, Gainesville, FL

  • K. Gofryk

    • Los Alamos National Lab
    • Los Alamos National Laboratory
    • Los Alamos National Laboratory, Los Alamos, NM

  • F. Ronning

    • Los Alamos National Lab
    • Los Alamos National Laboratory
    • Los Alamos National Laboratory, Los Alamos, NM

  • Athena Safa-Sefat

    • Oak Ridge National Laboratory
    • Materials Science and Technology Division, Oak Ridge National Laboratory, Oak Ridge, Tennessee 37831 USA
    • Oak Ridge National Laboratory, Oak Ridge, TN
    • Oak Ridge National Laboratory, Oak Ridge, TN 37831, USA

  • K.Y. Choi

    • Department of Physics and Astronomy, Seoul National Univ., Seoul, South Korea

  • K.H. Kim

    • Department of Physics and Astronomy, Seoul National Univ., Seoul, South Korea

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• Nodal versus nodeless order parameters in LiFeP and LiFeAs superconductors

  ORAL

  Feb. 28, 2012, 1:03 PM – Feb. 28, 2012, 1:15 PM

  Authors

  • T. Shibauchi

    • Department of Physics, Kyoto University
    • Kyoto University

  • K. Hashimoto

    • Kyoto University

  • S. Kasahara

    • Kyoto University

  • R. Katsumata

    • Kyoto University

  • Y. Mizukami

    • Kyoto University

  • M. Yamashita

    • Kyoto University

  • H. Ikeda

    • Kyoto University

  • T. Terashima

    • Kyoto University

  • Y. Matsuda

    • Kyoto University

  • A. Carrington

    • University of Bristol

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• Inter-Layer Superconducting Pairing Induced c-axis Nodal Lines in Iron-based Superconductors

  ORAL

  Feb. 28, 2012, 1:15 PM – Feb. 28, 2012, 1:27 PM

  Authors

  • Chandan Setty

    • Purdue University

  • Yuehua Su

    • Yantai University

  • Ziqiang Wang

    • Boston College

  • Jiangping Hu

    • Purdue University

  View abstract →

• Thermal-transport measurement of the nodal superconductor KFe$_2$As$_2$

  ORAL

  Feb. 28, 2012, 1:27 PM – Feb. 28, 2012, 1:39 PM

  Authors

  • Minoru Yamashita

    • Department of Physics, Kyoto University

  • Daiki Watanabe

    • Department of Physics, Kyoto University

  • Takyuya Yamashita

    • Department of Physics, Kyoto University

  • Takasada Shibauchi

    • Department of Physics, Kyoto University

  • Yuji Matsuda

    • Department of Physics, Kyoto University

  • Hideto Fukazawa

    • Department of Physics, Chiba University

  • Taku Saito

    • Department of Physics, Chiba University

  • Yoh Kohori

    • Department of Physics, Chiba University

  • Kunihiro Kiho

    • AIST, Tsukuba

  • Akira Iyo

    • AIST, Tsukuba

  • Hiroshi Eisaki

    • AIST, Tsukuba

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• Microwave Surface Impedance Measurements of SrFe$_2$(As,P)$_2$ Single Crystals

  ORAL

  Feb. 28, 2012, 1:39 PM – Feb. 28, 2012, 1:51 PM

  Authors

  • Hideyuki Takahashi

    • Department of Basic Science, the University of Tokyo

  • Yoshinori Imai

    • Department of Basic Science, the University of Tokyo

  • Atsutaka Maeda

    • Department of Basic Science, the University of Tokyo

  • Kentaro Kitagawa

    • Institute for Solid State Physics, the University of Tokyo

  • Kazuyuki Matsubayashi

    • Institute for Solid State Physics, the University of Tokyo

  • Masashi Takigawa

    • Institute for Solid State Physics, the University of Tokyo

  • Yoshiya Uwatoko

    • Institute for Solid State Physics, the University of Tokyo

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• Doping-induced line nodes in the superconducting gap of the iron arsenide Ba$_{1-x}$K$_x$Fe$_2$As$_2$ from thermal conductivity

  ORAL

  Feb. 28, 2012, 1:51 PM – Feb. 28, 2012, 2:03 PM

  Authors

  • R.T. Gordon

    • Universite de Sherbrooke, Canada
    • University of Sherbrooke, Canada

  • J.-Ph. Reid

    • University of Sherbrooke, Canada

  • X.G. Luo

    • University of Sherbrooke, Canada

  • H. Shakeripour

    • University of Sherbrooke, Canada

  • S. Ren\'{e} de Cotret

    • University of Sherbrooke, Canada

  • A. Juneau-Fecteau

    • University of Sherbrooke, Canada

  • N. Doiron-Leyraud

    • University of Sherbrooke, Canada

  • J. Chang

    • University of Sherbrooke, Canada

  • Louis Taillefer

    • University of Sherbrooke, Canada

  • H. Kim

    • Ames Laboratory and Iowa State University, USA

  • M.A. Tanatar

    • Ames Laboratory and Iowa State University, USA

  • R. Prozorov

    • Ames Laboratory and Iowa State University, USA

  • B. Shen

    • Nanjing University, China

  • H.-H. Wen

    • Nanjing University, China

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• Evidence for line nodes in the energy gap of overdoped Ba(Fe$_{1-x}$Co$_{x})_{2}$As$_{2}$: A low-temperature specific heat study

  ORAL

  Feb. 28, 2012, 2:03 PM – Feb. 28, 2012, 2:15 PM

  Authors

  • Gang Mu

    • Department of Physics, Graduate School of Science, Tohoku University, Japan

  • Jun Tang

    • World Premier International Research Center, Tohoku University, Japan

  • Yoichi Tanabe

    • World Premier International Research Center, Tohoku University, Japan

  • Jingtao Xu

    • World Premier International Research Center, Tohoku University, Japan

  • Satoshi Heguri

    • Department of Physics, Graduate School of Science, Tohoku University, Japan

  • Katsumi Tanigaki

    • Department of Physics, Graduate School of Science and World Premier International Research Center, Tohoku University, Japan

  View abstract →