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BCS-van Hove方案与高温超导电性

施大宁

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BCS-van Hove方案与高温超导电性

施大宁

THE van HOVE SCENARIO AND THE HIGH-Tc SUPERCONDUCTIVITY

SHI DA-NING
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  • 基于BCS—van Hove机制,研究了非磁杂质对高温超导电性的抑制效应,考虑到双层耦合效应和三维耦合效应,将van Hove方案推广到多带BCS模型,计算了超导转变温度与化学势的关系,并与实验结果进行了比较。
    The suppressive effect of the nonmagnetic doping on the high- Tc superconductivity has been studied based on the BCS-van Hove mechanism. Taking into account the bilayer coupling and three-dimensionality effects, we generalize the van Hove scenario into the multiband BCS model and calcu-late the relation between the transition temperature and the chemical potential. The results obtained are in good agreement with the experiments.
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  • 文章访问数:  5620
  • PDF下载量:  790
  • 被引次数: 0
出版历程
  • 收稿日期:  1995-05-23
  • 刊出日期:  1996-07-20

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