Focus Session: Fe-based Superconductors - Orbital Order and Chalcogenides

Presentations

• Orbital Order and Orthorhombic Anisotropy in Iron Pnictides

  COFFEE_KLATCH · Invited

  March 2, 2012, 11:15 AM – March 2, 2012, 11:51 AM

  Authors

  • Cheng-Chien Chen

    • Department of Physics, Stanford University, Stanford
    • Stanford Institute for Materials and Energy Science, SLAC National Accelerator Laboratory
    • SIMES, SLAC National Accelerator Laboratory and Stanford University

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• Orbital ordering in Ba(Fe$_{1-x}$Co$_{x})_{2}$As$_{2}$ revealed by X-ray absorption Spectroscopy

  ORAL

  March 2, 2012, 11:51 AM – March 2, 2012, 12:03 PM

  Authors

  • Y.K. Kim

    • Yonsei Univ.

  • W.S. Jung

    • Yonsei Univ.

  • G.R. Han

    • Yonsei Univ.

  • C. Kim

    • Yonsei Univ.

  • K.-Y. Choi

    • Seoul National Unv.

  • A.P. Singh

    • Pohang accelerator lab.

  • J.Y. Kim

    • Pohang accelerator lab.

  • J. Miyawaki

    • Excitation order research team, RIKEN SPing-8 Center

  • Y. Takata

    • Excitation order research team, RIKEN SPing-8 Center

  • A. Chainani

    • Excitation order research team, RIKEN SPing-8 Center

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• Non-Fermi Liquid due to Orbital Fluctuations in Iron Pnictide Superconductors

  ORAL

  March 2, 2012, 12:03 PM – March 2, 2012, 12:15 PM

  Authors

  • Wei-Cheng Lee

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

  • Philip Phillips

    • University of Illinois at Urbana-Champaign

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• Spin and orbital characters of excitations in iron arsenide superconductors revealed by simulated resonant inelastic x-ray scattering

  ORAL

  March 2, 2012, 12:15 PM – March 2, 2012, 12:27 PM

  Authors

  • Takami Tohyama

    • Yukawa Institiute for Theoretical Physics, Kyoto University
    • Yukawa Institute for Theoretical Physics, Kyoto University, Kyoto, 606-8502, Japan

  • Eiji Kaneshita

    • Sendai National College of Technology

  • Kenji Tsutsui

    • Synchrotron Radiation Research Center, Japan Atomic Energy Agency

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• Orbital fluctuation mediated superconductivity and structure transition in iron-based superconductors

  ORAL

  March 2, 2012, 12:27 PM – March 2, 2012, 12:39 PM

  Authors

  • Hiroshi Kontani

    • Nagoya University

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• A Monte Carlo simulation study of phase transitions in spin-orbital models for iron pnictides

  ORAL

  March 2, 2012, 12:39 PM – March 2, 2012, 12:51 PM

  Authors

  • Ryan Applegate

    • Department of Physics, University of California, Davis

  • Rajiv Singh

    • Department of Physics, University of California, Davis

  • Cheng-Chien Chen

    • Department of Physics, Stanford University, Stanford
    • Stanford Institute for Materials and Energy Science, SLAC National Accelerator Laboratory
    • SIMES, SLAC National Accelerator Laboratory and Stanford University

  • Tom Devereaux

    • Department of Physics, Stanford University, Stanford
    • SIMES, SLAC National Accelerator Laboratory and Stanford University
    • Stanford Institute for Materials and Energy Science
    • Stanford Institute for Materials and Energy Science, SLAC National Accelerator Laboratory, 2575 Sand Hill Road, Menlo Park, CA 94025, USA
    • Stanford Institute for Materials and Energy Science, SLAC National Accelerator Laboratory
    • Stanford University and SLAC National Accelerator Laboratory
    • Stanford University

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• Local Quantum Criticality of an Iron-Pnictide Tetrahedron

  ORAL

  March 2, 2012, 12:51 PM – March 2, 2012, 1:03 PM

  Authors

  • Tze Tzen Ong

    • Center for Materials Theory, Department of Physics \& Astronomy, Rutgers University

  • Piers Coleman

    • Center for Materials Theory, Department of Physics \& Astronomy, Rutgers University
    • Rutgers University
    • Physics and Astronomy, Rutgers University
    • Center for Materials Theory, Department of Physics and Astronomy, Rutgers University

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• Hint of a condensate in K$_{\mathbf{0.8}}$Fe$_{\mathbf{2-y}}$Se$_{\mathbf{2}}$

  ORAL

  March 2, 2012, 1:03 PM – March 2, 2012, 1:15 PM

  Authors

  • Christopher Homes

    • Condensed Matter Physics and Materials Science Dept., Brookhaven National Laboratory, Upton, New York
    • Condensed Matter Physics and Materials Science Department, Brookhaven National Laboratory, Upton, New York 11973, USA

  • J.S. Wen

    • Condensed Matter Physics and Materials Science Dept., Brookhaven National Laboratory, Upton, New York

  • Z.J. Xu

    • Condensed Matter Physics and Materials Science Dept., Brookhaven National Laboratory, Upton, New York

  • G.D. Gu

    • Condensed Matter Physics and Materials Science Dept., Brookhaven National Laboratory, Upton, New York

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• Optical spectroscopy of K$_{x}$Fe$_{2-y}$Se$_{2-z}$S$_{z}$ superconductors

  ORAL

  March 2, 2012, 1:15 PM – March 2, 2012, 1:27 PM

  Authors

  • Catalin Martin

    • University of Florida, Gainesville, FL 32611
    • University of Florida

  • K. Miller

    • University of Florida, Gainesville, FL 32611

  • Hechang Lei

    • Brookhaven National Laboratory, Upton, NY 11973

  • C. Petrovic

    • Brookhaven National Laboratory, Upton, NY 11973

  • D. B. Tanner

    • University of Florida, Gainesville, FL 32611

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• Electronic Structure of K$_{0.8}$Fe$_2$Se$_2$ High Temperature Superconductor

  ORAL

  March 2, 2012, 1:27 PM – March 2, 2012, 1:39 PM

  Authors

  • Shizhong Yang

    • Southern University and A\&M College

  • Rui Guo

    • Southern University and A\&M College

  • Ebrahim Khosravi

    • Southern University and A\&M College

  • Guang-Lin Zhao

    • Southern University and A\&M College

  • Diola Bagayoko

    • Southern University and A\&M College

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• ARPES studies of the AFe2Se2 (A=K, Rb, Cs) iron-based superconductors

  ORAL

  March 2, 2012, 1:39 PM – March 2, 2012, 1:51 PM

  Authors

  • Ming Yi

    • Stanford University

  • D.H. Lu

    • SLAC National Accelerator Laboratory

  • Z.K. Liu

    • Stanford University

  • S. Riggs

    • Stanford University

  • J.-H. Chu

    • Stanford University

  • B. Lv

    • University of Houston

  • S.-K. Mo

    • Lawrence Berkeley National Laboratory

  • M. Hashimoto

    • SLAC National Accelerator Laboratory

  • R.G. Moore

    • Stanford Institute for Materials and Energy Sciences

  • Z. Hussain

    • Lawrence Berkeley National Laboratory

  • I.R. Fisher

    • Stanford University

  • C.W. Chu

    • University of Houston

  • Z.-X. Shen

    • Stanford University

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• One-Fe versus Two-Fe Brillouin Zone of Fe-Based Superconductors: Creation of the Electron Pockets via Translational Symmetry Breaking

  ORAL

  March 2, 2012, 1:51 PM – March 2, 2012, 2:03 PM

  Authors

  • Chia-Hui Lin

    • Brookhaven National Laboratory/ Stony Brook University

  • Tom Berlijn

    • Brookhaven National Laboratory

  • Limin Wang

    • Brookhaven National Laboratory

  • Chi-Cheng Lee

    • Brookhaven National Laboratory

  • Weiguo Yin

    • Brookhaven National Laboratory
    • Brookhaven National Lab

  • Wei Ku

    • Brookhaven National Laboratory/ Stony Brook University
    • Condensed Matter Physics and Materials Science Department, Brookhaven National Laboratory, Upton, New York, 11973, USA
    • Brookhaven National Laboratory
    • CMPMSD, Brookhaven National Laboratory

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• Metal-to-Insulator Transition in Multi-Orbital Models for A$_x$Fe$_y$Se$_2$

  ORAL

  March 2, 2012, 2:03 PM – March 2, 2012, 2:15 PM

  Authors

  • Rong Yu

    • Department of Physics and Astronomy, Rice University, Houston, TX 77005
    • Rice University

  • Qimiao Si

    • Department of Physics and Astronomy, Rice University, Houston, TX 77005
    • Rice University

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