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arXiv physics/0311061physics.opticscond-mat.mtrl-sci
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电磁近场的超光速行为

Superluminal Behaviors of Electromagnetic Near-fields

Z. Y. Wang, C. D. Xiong

摘要:

超光速现象在电磁波传播的许多实验中都有报道,其中倏逝波的超光速行为是最有趣的现象,具有重要的物理意义。考虑到倏逝波与电磁源的近区场有关,基于第一性原理,研究了近区电磁场的群速度,证明了它们可以是超光速的,这为倏逝波的超光速性质提供了一个启发性的解释。

英文摘要:

Superluminal phenomena have been reported in many experiments of electromagnetic wave propagation, where the superluminal behaviors of evanescent waves are the most interesting ones with the important physical significances. Consider that evanescent waves are related to the near-zone fields of electromagnetic sources, based on the first principles, we study the group velocities of electromagnetic fields in near-field region, and show that they can be superluminal, which can provide a heuristic interpretation for the superluminal properties of evanescent waves.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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