Session Index

Session X23: Focus Session: Iron Based Superconductors -- Gap Symmetry

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Abstracts
Sponsoring Units: DMP DCOMP
Chair: Laura Greene, University of Illinois
Room: D165


Thursday, March 24, 2011
2:30PM - 3:06PM

 X23.00001: Nodal and nodeless Superconductivity in Iron-Based Superconductors
Invited Speaker: Ronny Thomale

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Thursday, March 24, 2011
3:06PM - 3:18PM

 X23.00002: Do theoretical calculations really predict nodes in Fe-based superconductors?
Igor Mazin

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Thursday, March 24, 2011
3:18PM - 3:30PM

 X23.00003: Competing Pairing Symmetries in a Generalized Two-Orbital Model for the Pnictides
A. Nicholson , W. Ge , X. Zhang , J. Riera , M. Daghofer , A. Oles , G. Martins , A. Moreo , E. Dagotto

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Thursday, March 24, 2011
3:30PM - 3:42PM

 X23.00004: 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?
Saurabh Maiti , Andrey Chubukov

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Thursday, March 24, 2011
3:42PM - 3:54PM

 X23.00005: Observation of a ubiquitous three-dimensional superconducting gap function in optimally-doped Ba$_{0.6}$K$_{0.4}$Fe$_2$As$_2$
Y.-M. Xu , Y.-B. Huang , X.-Y. Cui , E. Razzoli , M. Radovic , M. Shi , G.-F. Chen , P. Zheng , N.-L. Wang , C.-L. Zhang , P.-C. Dai , J.-P. Hu , Z. Wang , H. Ding

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Thursday, March 24, 2011
3:54PM - 4:06PM

 X23.00006: Field dependence of the zero energy density of states of an anisotropic $s_{\pm}$ superconductor
Yan Wang , Peter Hirschfeld , Siegfried Graser

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Thursday, March 24, 2011
4:06PM - 4:18PM

 X23.00007: 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)
M.L. Teague , G.K. Drayna , G.P. Lockhart , T.P. Wu , N.-C. Yeh , P. Chen , B. Shen , H.-H. Wen

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Thursday, March 24, 2011
4:18PM - 4:30PM

 X23.00008: Local measurement of the superfluid density in the pnictide superconductors $Ba(Fe_{1-x} Co_x )_2 As_2 $ across the superconducting dome
Lan Luan , T.M. Lippman , C.W. Hicks , O.M. Auslaender , J.A. Bert , Jiun-Haw Chu , J.G. Analytis , I.R. Fisher , K.A. Moler

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Thursday, March 24, 2011
4:30PM - 4:42PM

 X23.00009: A sign of change: pinning down the pairing symmetry of the iron-based superconductors
Erez Berg , Netanel Lindner , Tamar Pereg-Barnea

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Thursday, March 24, 2011
4:42PM - 4:54PM

 X23.00010: Probing the Superconducting Order Parameter of Ba(Fe$_{1-x}$Co$_{x})_{2}$As$_{2}$ by Josephson Interferometry
J.M. Atkinson , D.J. Van Harlingen , P. Canfield , N. Ni , J.D. Strand

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Thursday, March 24, 2011
4:54PM - 5:06PM

 X23.00011: Robust nodal gap structure in BaFe$_2$(As$_{1-x}$P$_x$)$_2$ with P doping revealed by magnetic penetration depth measurements
Kenichiro Hashimoto , Ryo Katsumata , Sho Tonegawa , Shigeru Kasahara , Takahito Terashima , Takasada Shibauchi , Yuji Matsuda , Alessandro Serafin , Antony Carrington

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Thursday, March 24, 2011
5:06PM - 5:18PM

 X23.00012: Two-Gap Paring of the Optimal Doped (M,K)Fe$_{2}$As$_{2}$ with M = Ba, Sr
Fengyan Wei , Bing Lv , Feng Chen , Yuyi Xue , Chingwu Chu

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Thursday, March 24, 2011
5:18PM - 5:30PM

 X23.00013: Superconducting gap measurements on Co-doped SrFe2As2 single crystals by point contact spectroscopy
Cassandra R. Hunt , H.Z. Arham , W.K. Park , L.H. Greene , J. Gillett , S. Sebastian

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