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Stability of vortex-antivortex "molecules" in mesoscopic superconducting triangles
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| Author |
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| Abstract |
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| We have revealed thermodynamically stable vortex-antivortex configurations in mesoscopic type I superconducting equilateral triangles. The revealed effect is explained by two factors: (i) vortex confinement in mesoscopic triangles and (ii) appearance of the vortex-antivortex repulsion in mesoscopic type I superconductor triangles in the vicinity of the dual point. The stability of the obtained solutions is examined as a function of material and external parameters - the Ginzburg-Landau parameter K and temperature - as well as a function of a distortion of the sample's shape. The vortex-antivortex. "molecule" turns out to be stable in a wide range of the parameters that makes it possible its experimental visualization. | |
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English
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| Source (journal) |
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Realizing Controllable Quantum States: mesoscopic superconductivity and spintronics |
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3rd International Symposium on Mesoscopic Superconductivity and, Spintronics, MAR 01-04, 2004, Atsugi City, JAPAN |
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| Publication |
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2005
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| Volume/pages |
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(2005), p. 191-196
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| ISI |
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000234363700030
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981-256-468-3
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