Experimental presentation of microwave absorption due to shaking of JV by AC magnetic field in Bi2212 and Bi2223

D. Shaltiel, H. A. Krug Von Nidda, B. Y. Shapiro, B. Rosenstein, A. Loidl, B. Bogoslavsky, I. Shapiro, T. Fujii, T. Watanabe, T. Tamegai

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Abstract

The Josephson Vortex dynamics in high anisotropy superconductors Bi2212 and Bi2223 induced by AC magnetic field collinear to DC magnetic field and parallel to the layers is studied via their interaction with microwave field. Experimental results as function of DC magnetic field, AC magnetic field and temperature are presented. The AC induced microwave dissipation is larger than dissipation without AC field. The results are explained by the theoretical interpretation reported recently due to shaking by the AC field that depins the JV (Shaltiel et al., Phys. Rev. B 77, 014508, 2008). Similar behavior in these two compounds as a function of the variables involved discloses that the shaking effect should be observed in any high anisotropy superconductors. It shows that the AC field interacting with JV has an active and not the usual passive modulating role of the DC field in EPR dissipation experiments. The technique can be used to investigate JV dynamics and JV phase diagram.

Original languageEnglish
Pages (from-to)387-399
Number of pages13
JournalJournal of Superconductivity and Novel Magnetism
Volume22
Issue number4
DOIs
StatePublished - May 2009

Bibliographical note

Funding Information:
Acknowledgements This work was supported by The Israel Science Foundation Grant No. 499/07, by Heinrich Hertz Minerva Center for High Temperature Superconductivity, by the German Bundesminis-teriu für Bildung und Forschung BMBF under Contract No. VDI/EKM 139617, by the Deutsche Forschungsgemeinschaft DFG within Son-derforschungsbereich SFB 484 Augsburg, and partly supported by Grant-in-Aid for Scientific Research from the Ministry of Education, Culture, Sports, Science, and Technology, Japan. B.R. is supported by DOE and NSC of R.O.C. Grant No. M93-2112-M009-023. One of us—D.S.—would like to thank O. Shaltiel for analyzing the experimental data.

Funding

Acknowledgements This work was supported by The Israel Science Foundation Grant No. 499/07, by Heinrich Hertz Minerva Center for High Temperature Superconductivity, by the German Bundesminis-teriu für Bildung und Forschung BMBF under Contract No. VDI/EKM 139617, by the Deutsche Forschungsgemeinschaft DFG within Son-derforschungsbereich SFB 484 Augsburg, and partly supported by Grant-in-Aid for Scientific Research from the Ministry of Education, Culture, Sports, Science, and Technology, Japan. B.R. is supported by DOE and NSC of R.O.C. Grant No. M93-2112-M009-023. One of us—D.S.—would like to thank O. Shaltiel for analyzing the experimental data.

FundersFunder number
German Bundesminis-teriu für Bildung und Forschung BMBFVDI/EKM 139617
Heinrich Hertz Minerva Center
NSC of R.O.C.M93-2112-M009-023
U.S. Department of Energy
Deutsche Forschungsgemeinschaft
Ministry of Education, Culture, Sports, Science and Technology
Israel Science Foundation499/07

    Keywords

    • Bi-based cuprates
    • High anisotropy superconductors
    • Josephson vortices and fluxons
    • Response to microwave and to magnetic field in superconductors
    • Superconductivity phase diagram

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