Vortex entry and nucleation of antivortices in a mesoscopic superconducting triangle.
作者： L. F. Chibotaru , A. Ceulemans , V. Bruyndoncx , V. V. Moshchalkov
DOI: 10.1103/PHYSREVLETT.86.1323
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摘要: The nucleation of superconductivity in mesoscopic equilateral triangles is investigated by using the linearized Ginzburg-Landau equation (LGLE). trigonal symmetry sample has a profound effect on superconducting state presence magnetic field H leading, particular, to formation antivortices symmetry-consistent states. For same given irreducible representation, vortices enter always three via middle edges, approach center, and then are dispatched towards corners triangle. measured phase boundary T(c)(H) good agreement with line found from LGLE.
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