Nonlinear inductive response of pinned superconducting vortices in artificial pinning sites
Journal Article
·
· Physical Review Applied
- Northwestern Univ., Evanston, IL (United States); King Fahd University of Petroleum and Minerals, Dhahran (Saudi Arabia)
- Argonne National Laboratory (ANL), Argonne, IL (United States); Northern Illinois Univ., DeKalb, IL (United States)
- Northwestern Univ., Evanston, IL (United States)
Using the time dependent Ginzburg-Landau equations, we simulate the inductive responses of a variety of thin-film systems containing patterned antidots with different sizes and shapes. The results for all shapes show that the kinetic inductance diverges as the applied current approaches a critical current that is below the BCS depairing current. In conclusion, exploiting the similarity of the observed current-voltage behavior to that of Josephson junctions, we obtain an empirical equation that well fits the inductivity curve as a function of the applied current.
- Research Organization:
- Argonne National Laboratory (ANL), Argonne, IL (United States)
- Sponsoring Organization:
- National Science Foundation (NSF); USDOE Office of Science (SC), Basic Energy Sciences (BES). Materials Sciences & Engineering Division (MSE)
- Grant/Contract Number:
- AC02-06CH11357
- OSTI ID:
- 2569938
- Journal Information:
- Physical Review Applied, Journal Name: Physical Review Applied Journal Issue: 5 Vol. 21; ISSN 2331-7019
- Publisher:
- American Physical Society (APS)Copyright Statement
- Country of Publication:
- United States
- Language:
- English
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