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首页> 外文期刊>Physica, C. Superconductivity and its applications >Effect of interface quality on magnetic pinning interaction
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Effect of interface quality on magnetic pinning interaction

机译：接口质量对磁性钉扎相互作用的影响

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摘要

Magnetic pinning interaction is considered to contribute significantly to the overall pinning strength in the ceramic high-T_c superconductors. Although it is not as effective as the core interaction mechanism, the magnetic interaction is a significant source of pinning of flux lines along the interface between the superconducting and the nonsuperconducting phase. The sharpness of the interface is crucial in characterising the quality of the interface and the effectiveness of the magnetic interaction. A theoretical investigation of the magnetic interaction of a flux line at interfaces with various degrees of sharpness is carried out based on the London equation, and the force exerted on the magnetic flux lines is derived from the energy of the magnetic field around a vortex in the vicinity of the interface.
机译：磁性钉扎作用被认为对陶瓷高T_c超导体的总体钉扎强度有很大贡献。尽管它不像铁芯相互作用机制那样有效，但磁相互作用是沿超导相和非超导相之间的界面固定通量线的重要来源。界面的清晰度对于表征界面的质量和磁性相互作用的有效性至关重要。基于伦敦方程，对通量线在不同锐度度的界面上的磁相互作用进行了理论研究，施加在通量线上的力是由绕线中涡旋周围的磁场能量得出的。接口附近。

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