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Effect of time oscillating magnetic fields on the vortex dynamics of superconducting thin films with columnar defect and slit

Author

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  • Yufeng Zhao

    (Lanzhou University of Technology)

  • Yuan Du

    (Lanzhou University of Technology)

  • Ping Ma

    (Lanzhou University of Technology)

Abstract

The time-dependent Ginzburg–Landau equation (TDGL) for type II superconducting films containing columnar defects and slits was solved numerically using finite-element techniques. The Gibbs free energy of the system and the corresponding dynamical behavior of the vortex are analyzed under stable and time-oscillating magnetic fields. The effect of the frequency of the applied magnetic field on both the energy profile was observed. Finally, we discussed the impact of the Ginzburg–Landau parameter on the quantity of complete vortices generated. Graphical Abstract The time evolution of |ψ|2 is shown. From the top left corner to the bottom right corner of the picture, (a) t = 6; (b) t = 13; (c) t = 27; (d) t = 41; (e) t = 73; (f) t = 130; (g) t = 163

Suggested Citation

  • Yufeng Zhao & Yuan Du & Ping Ma, 2024. "Effect of time oscillating magnetic fields on the vortex dynamics of superconducting thin films with columnar defect and slit," The European Physical Journal B: Condensed Matter and Complex Systems, Springer;EDP Sciences, vol. 97(6), pages 1-12, June.
    • Handle: RePEc:spr:eurphb:v:97:y:2024:i:6:d:10.1140_epjb_s10051-024-00724-1
    DOI: 10.1140/epjb/s10051-024-00724-1
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