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首页> 外文期刊>Physica, B. Condensed Matter >The levitation force between a magnet and a small superconductor with cylindrical symmetry in the Meissner state
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The levitation force between a magnet and a small superconductor with cylindrical symmetry in the Meissner state

机译：迈斯纳状态下磁体与圆柱对称的小型超导体之间的悬浮力

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摘要

The problem of the levitation force between a small superconducting cylinder in the Meissner state and a cylindrical permanent magnet was analyzed. The demagnetization effect was included using the demagnetizing factor approximation. We obtained analytical expression of the levitation force as a function of the dimensions of the magnet as well as the superconductor. The results show that the levitation force has a maximum value that is strongly sensitive to the radius and height of the magnet as well as the thickness of the superconductor. Including the demagnetization effect results an increase in the levitation force. Our results are in good agreement with those previously reported in literature.
机译：分析了迈斯纳状态的超导小圆柱体和圆柱永磁体之间的悬浮力问题。使用退磁因子近似值包括退磁效果。我们获得了磁悬浮力与磁体以及超导体尺寸的函数的解析表达式。结果表明，悬浮力具有最大值，该最大值对磁体的半径和高度以及超导体的厚度非常敏感。包括去磁效应导致悬浮力增加。我们的结果与先前文献报道的结果非常吻合。

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