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arXiv 1105.6285hep-th
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纽结电磁场中螺旋度的交换

Exchange of helicity in a knotted electromagnetic field

Manuel Arrayás, José L. Trueba

摘要:

本文首次给出了真空中具有非平凡拓扑结构的麦克斯韦方程组的精确解,其中电磁场部分之间存在螺旋度的交换。我们计算了磁螺旋度和电螺旋度的时间演化,并利用Chern-Simon形式解释了螺旋度的交换。我们还发现并解释了,随着时间的无限长,两个螺旋度达到相同的值,场的磁部分和电部分之间的交换停止了。

英文摘要:

In this work we present for the first time an exact solution of Maxwell equations in vacuum, having non trivial topology, in which there is an exchange of helicity between the electric and magnetic part of such field. We calculate the temporal evolution of the magnetic and electric helicities, and explain the exchange of helicity making use of the Chern-Simon form. We also have found and explained that, as time goes to infinity, both helicities reach the same value and the exchange between the magnetic and electric part of the field stops.

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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