V2EX london equations

London Equations

Definition / 定义

London方程:由弗里茨伦敦(Fritz London)和海因茨伦敦(Heinz London)提出的一组现象学方程,用来描述超导体中的电磁响应,尤其解释了迈斯纳效应磁场在超导体内的指数衰减(穿透深度)

Pronunciation / 发音(IPA)

/lndn kwenz/

Examples / 例句

The London equations explain why magnetic fields are expelled from a superconductor.
伦敦方程解释了为什么磁场会被超导体排斥出去。

By combining the London equations with Maxwell’s equations, we can derive an exponential decay of the magnetic field inside the material.
把伦敦方程与麦克斯韦方程组结合起来,可以推导出材料内部磁场呈指数衰减的结果。

Etymology / 词源

“London”来自提出该理论的伦敦兄弟的姓氏;“equations”意为“方程”。该术语通常专指他们在20世纪30年代为描述超导电磁性质而建立的那组关系式。这里的“London”与英国城市“伦敦”同形同音,但含义来自人名。

Related Words / 相关词汇

Literary Works / 文献与著作中的出现

  • **F. London & H. London (1935)**:The Electromagnetic Equations of the Supraconductor(提出伦敦方程的经典论文)
  • Michael TinkhamIntroduction to Superconductivity(多处用伦敦方程讲解穿透深度与电磁响应)
  • P. G. de GennesSuperconductivity of Metals and Alloys(讨论伦敦模型及其与更完整理论的关系)
  • Charles KittelIntroduction to Solid State Physics(固体物理教材中常以伦敦方程介绍超导的基础现象学描述)
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