Session Index

Session A22: Focus Session: Fe-based Superconductors - Gap Structure

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Abstracts
Sponsoring Units: DMP DCOMP
Chair: Wai-Kwong Kwok, Argonne National Laboratory
Room: 254B


Monday, February 27, 2012
8:00AM - 8:12AM

A22.00001: Anisotropic Energy-Gaps of Iron-based Superconductivity from Intra-band Quasiparticle Interference in LiFeAs
Andreas W. Rost , Milan P. Allan , Andrew P. Mackenzie , Yang Xie , J.C. Davis , K. Kihou , C.-H. Lee , A. Iyo , H. Eisaki , T.-M. Chuang

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Monday, February 27, 2012
8:12AM - 8:24AM

A22.00002: Low temperature specific heat of the codoped iron-arsenic superconductor Ba$_{0.55}$K$_{0.45}$Fe$_{1.95}$Co$_{0.05}$As$_{2}$
K. Gofryk , J. Lashley , A. Leithe-Jasper , W. Schnelle , F. Ronning , M. Nicklas , F. Weickert , H. Rosner , J.L. Smith

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Monday, February 27, 2012
8:24AM - 8:36AM

A22.00003: Gap structure of the iron-based superconductor KFe$_2$As$_2$ via thermal conductivity
A. Juneau-Fecteau , R.T. Gordon , J.-Ph. Reid , N. Doiron-Leyraud , L. Taillefer , M.A. Tanatar , R. Prozorov , T. Saito , H. Fukazawa , Y. Kohori , K. Kihou , C.H. Lee , A. Iyo , H. Eisaki

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Monday, February 27, 2012
8:36AM - 9:12AM

A22.00004: Gap structure of iron-based superconductors via directional thermal conductivity
Invited Speaker: Jean-Philippe Reid

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Monday, February 27, 2012
9:12AM - 9:24AM

A22.00005: Proximity fingerprint of $s_{\pm}$ superconductivity
Alexei Koshelev , Valentin Stanev

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Monday, February 27, 2012
9:24AM - 9:36AM

A22.00006: Doping dependence of the specific heat of single crystal BaFe$_{2}$(As$_{1-x}$P$_{x})_{2}$
Carlos Chaparro , Lei Fang , Helmut Claus , George Crabtree , Valentin Stanev , Wai-Kwong Kwok , Ulrich Welp , Morten Eskildsen , Andreas Rydh

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Monday, February 27, 2012
9:36AM - 9:48AM

A22.00007: Gap Symmetry in KFe$_2$As$_2$
Saurabh Maiti , Maxim Korshunov , Andrey Chubukov

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Monday, February 27, 2012
9:48AM - 10:00AM

A22.00008: Disorder induced transition between $s_{\pm}$ and $s_{++}$ states Fe-based superconductors
M.M. Korshunov , D.V. Efremov , O.V. Dolgov , A.A. Golubov , P.J. Hirschfeld

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Monday, February 27, 2012
10:00AM - 10:12AM

A22.00009: Doping - dependent anisotropic superconducting gap in Na$_{1-\delta}$FeAs and NaFe$_{1-x}$Co$_x$As pnictides
Kyuil Cho , M.A. Tanatar , N. Spyrison , H. Kim , R. Prozorov , G. Tan , J. Yan , P. Dai , C. Zhang

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Monday, February 27, 2012
10:12AM - 10:24AM

A22.00010: Proximity effect of iron-based superconductor in conventional $s$-wave superconducting thin films
Nick Groll , Thomas Proslier , Alex Koshelev , Valentin Stantev , Duck-Young Chung

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Monday, February 27, 2012
10:24AM - 10:36AM

A22.00011: Volovik effect in the s$\pm$ state of Ba$_{0.67}$K$_{0.33}$Fe$_{2}$As$_{2}$ from high field NMR
Sangwon Oh , Andrew Mounce , William Halperin , Chenglin Zhang , Pengcheng Dai , Philip Kuhns , Arneil Reyes

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Monday, February 27, 2012
10:36AM - 10:48AM

A22.00012: Origin of the variety of superconducting gap structure in iron-based superconductors: competition between orbital and spin fluctuations
Seiichiro Onari , Tetsuro Saito , Hiroshi Kontani

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Monday, February 27, 2012
10:48AM - 11:00AM

A22.00013: Microscopic Mechanism for a Pairing State with Time-Reversal Symmetry Breaking in Iron-Based Superconductors
Werner Hanke , Shou-Cheng Zhang , Christian Platt , Ronny Thomale

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