rogoISS2019 Program

PC: Physics and Chemistry -December 4

Dec. 4 (Wed.) Physics and Chemistry Large Meeting Room

Vortex Physics

Chairpersons: Roland Willa (Karlsruhe Institute of Technology) and Shinya Uji (National Institute for Materials Science)

PC3-1-INV10:30–11:00

Strong pinning theory: a review

*Roland Willa1

Karlsruhe Institute of Technology1

PC3-2-INV11:00–11:30

Fulde-Ferrell-Larkin-Ovchinnikov Phases in Layered Organic Superconductors

*Shinya Uji1, S. Sugiura1, T. Isono1, N. Kikugawa1, T. Terashima1, H. Akutsu2, Y. Nakazawa2, D. Graf3, P. Day4

National Institute for Materials Science, Tsukuba, Japan1
Osaka University, Toyonaka, Japan2
National High Magnetic Field Laboratory, Tallahassee, Florida, USA3
University College London, London, United Kingdom4

PC3-3-INV11:30–12:00

Observation of vortices driven by dc current using scanning tunneling spectroscopy

*Shin-ichi Kaneko1, Takashi Ogawa1, Kazuki Tsuchiya1, Koshiro Kato1, Koichiro Ienaga1, Hideaki Sakata2, Satoshi Okuma1

Department of Physics, Tokyo Institute of Technology1
Department of Physics, Tokyo University of Science2

PC3-412:00–12:15

Thermoelectric study of the anomalous metallic state in amorphous superconducting thin films

*Koichiro Ienaga1, Taiko Hayashi1, Yutaka Tamoto1, Shin-ichi Kaneko1, Satoshi Okuma1

Department of Physics, Tokyo Institute of Technology1

PC3-512:15–12:30

Local Density of States of Quasi-particles around a Vortex Core in a Square Superconducting Plate under Random Impurity Potentials

*Takayuki Tamai1, Masaru Kato1

Department of Physics and Electronics, Osaka Prefecture University, Japan1

Fe-based superconductors 1

Chairpersons: Bernd Büchner (IFW Dresden) and Marcin Konczykowski (École Polytechnique)

PC4-1-INV13:30–14:00

Non-magnetic Pair-breaking Scattering in Iron-based Superconductors

*Ruslan Prozorov1, Makariy A. Tanatar1, Kyuil Cho1, Marcin Kończykowski2

Ames Laboratory and Department of Physics & Astronomy, Iowa State University, Ames, USA1
Laboratoire des Solides Irradiés, École Polytechnique, Institut Polytechnique de Paris, France2

PC4-2-INV14:00–14:30

Zero-Energy Vortex Bound State in the Topological Superconductor Fe(Se,Te)

*Tadashi Machida1, Yue Sun2, Sungseng Pyon3, Shyun Takeda4, Ching-Kai Chiu5, Yuhki Kohsaka1, Tetsuo Hanaguri1, Takao Sasagawa4, Tsuyoshi Tamegai3

RIKEN Center for Emergent Matter Science, Japan1
Department of Physics and Mathematics, Aoyama Gakuin University, Japan2
Department of Applied Physics, The University of Tokyo, Japan3
Laboratory for Materials and Science, Tokyo Institute of Technology, Japan4
Kavli Institute for Theoretical Sciences, University of Chinese Academy of Sciences, China5

PC4-3-INV14:30–15:00

Quantum critical transport phenomena in the nematic FeSe1-xSx

*Matija Čulo1, S. Licciardello1, J. Ayres1, M. Berben1, Y.-T. Hsu1, S. Kasahara2, Y. Matsuda2, T. Shibauchi3, N. Maksimovic4, J. G. Analytis4, N. E. Hussey1

High Field Magnet Laboratory (HFML-EMFL) and Institute for Molecules and Materials, Radboud University, Nijmegen, Netherlands1
Department of Physics, Kyoto University, Sakyo-ku, Kyoto, Japan2
Department of Advanced Materials Science, University of Tokyo, Kashiwa, Chiba, Japan3
Department of Physics, University of California and Materials Science Division, Lawrence Berkeley National Laboratory, Berkeley, California, USA4

PC4-4-INV

(Moved to December 3 just before the session PC1)

 

PC4-515:00–15:15

Infrared Spectroscopic Studies of the Phonon Dynamics in Iron-based Superconductors

*Xianggang Qiu1, Run Yang1, Bing Xu1

Institute of Physics, Chinese Academy of Sciences1

(Novel materials 1)

PC1-1-INV15:15–15:45

Scanning SQUID Microscopy on Chiral Superconductor Candidates Sr2RuO4 and URu2Si2

*YUSUKE IGUCHI1

Department of Applied Physics, Stanford University1

 

Fe-based superconductors 2

Chairpersons: Ruslan Prozorov (Iowa State University) and Matija Čulo (Radboud University)

PC5-1-INV16:00–16:30

Orbitals and Nematicity in La-1111 Single Crystals

*Bernd Büchner1

IFW Dresden and University Dresden, Germany1

PC5-2-INV16:30–17:00

Composition - Temperature Phase Diagram of Iron-Based Superconductors Tuned by Disorder

*Marcin Konczykowski1, Takasada Shibauchi2, Yuta Mizukami2, Shigeru Kasahara3, Yuji Matsuda3

Laboratoire des Solides Irradies, CNRS, Ecole Polytechnique, Palaiseau, France1
Department of Advanced Materials Science, University of Tokyo, Japan2
Department of Physics, Kyoto University, Kyoto, Japan3

PC5-3-INV17:00–17:30

Probing the superconducting gap structure of iron-based superconductors by angle-resolved specific heat measurements

*Yue Sun1, Shunichiro Kittaka2, Toshiro Sakakibara2, Kazushige Machida3, Tsuyoshi Tamegai4

Department of Physics and Mathematics, Aoyama Gakuin University, Japan1
Institute for Solid State Physics (ISSP), The University of Tokyo, Japan2
Department of Physics, Ritsumeikan University, Japan3
Department of Applied Physics, The University of Tokyo, Japan4

PC5-4-INV17:30–18:00

Unique defect structure and advantageous vortex pinning properties in CaKFe4As4

*Shigeyuki Ishida1, Akira Iyo1, Hiraku Ogino1, Hiroshi Eisaki1, Nao Takeshita1, Kenji Kawashima1,2, Keiichi Yanagisawa3, Yuuga Kobayashi3, Koji Kimoto3, Hideki Abe3, Motoharu Imai3, Jun-ichi Shimoyama4, Michael Eisterer5

National Institute of Advanced Industrial Science and Technology1
IMRA Materials R&D Co., Ltd.2
National Institute for Materials Science3
Aoyama Gakuin University4
TU Wien5

PC5-518:00–18:15

Critical Current Density and Its Enhancement by Particle Irradiation in KCa2Fe4As4F2

*Tsuyoshi Tamegai1, Sunseng Pyon1, Yuto Kobayashi1, Teng Wang2, Gang Mu2, Satoru Okayasu3, Ataru Ichinose4

Department of Applied Physics, The University of Tokyo1
Shanghai Institute of Microsystem and Information Technology, Chinese Academy of Sciences2
Japan Atomic Energy Agency, Advanced Science Research Center3
Central Research Institute of Electric Power Industry, Electric Power Engineering Research Laboratory4