Abstract
Based on the Ginzburg-Landau theory and using the numerical relaxation approach, we have carried out a numerical analysis of an isolated vortex structure for a type-II superconductor in the presence of a twin plane (being a ‘normal region’) situated parallel to the external magnetic field. Meanwhile, the lower critical field is also calculated and is found to decrease as compared to the twin-free case, which is consistent with the intuitive theoretical understanding and the fact that twins are easy channels for the flux penetration.
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Wang, Z.D., Kwok, E.M.Y. & Fung, P.C.W. Numerical study on an isolated vortex of the type-II superconductor in the presence of a twin plane. Z. Physik B - Condensed Matter 96, 25–29 (1994). https://doi.org/10.1007/BF01313011
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DOI: https://doi.org/10.1007/BF01313011