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Vortex States of a Three-Dimensional Mesoscopic Superconducting Torus in an External Magnetic Field |
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| Authors: | Lin Peng Chuanbing Cai Jia Lin Jing Chen Yongsheng Liu Yun Zhou |
| Affiliation: | 1.Department of Physics,Shanghai University of Electric Power,Shanghai,China;2.College of Sciences,Tongji University,Shanghai,China;3.Shanghai Key Laboratory for High Temperature Superconductors and Department of Physics,Shanghai University,Shanghai,China;4.Department of Physics,China Jiliang University,Hangzhou,China |
| Abstract: | The time-dependent Ginzburg–Landau equations have been solved numerically by the finite-element method for a three-dimensional mesoscopic superconducting torus. We obtain the different vortex patterns as a function of the applied field perpendicular to its surface. And we find that multivortex states are ground state in a three-dimensional mesoscopic torus. These results show that our approach is effective and useful to interpret experimental data on vortex states in mesoscopic superconductors. |
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