Influence of antidots on the critical current density of HTSC in a magnetic field

By using the Monte Carlo method, a numerical study has been conducted to calculate the current-voltage characteristics of a high-temperature superconductor with intrinsic pinning sites and the additional ones in the form of antidots in different magnetic fields. Varioustypes of antidot distribution...

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Bibliographic Details
Published in:Journal of physics. Conference series 2019-06, Vol.1238 (1), p.12015
Main Authors: Moroz, A N, Maksimova, A N, Kashurnikov, V A, Rudnev, I A
Format: Article
Language:English
Subjects:
Antidots
Conformal mapping
Critical current density
Current voltage characteristics
High temperature superconductors
Magnetic fields
Monte Carlo simulation
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Summary:By using the Monte Carlo method, a numerical study has been conducted to calculate the current-voltage characteristics of a high-temperature superconductor with intrinsic pinning sites and the additional ones in the form of antidots in different magnetic fields. Varioustypes of antidot distribution among the sample such as a random distribution, triangular and square lattice and their conformal transformations, have been considered. Descending critical current density dependencies on the magnetic field for different samples have been acquired. Averaged vortex configurations of samples for different antidot distributions at the same magnetic field and transport current have been acquired. The most effective antidot distribution has been determined.
ISSN:1742-6588
1742-6596
DOI:10.1088/1742-6596/1238/1/012015