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arXiv 1208.5296physics.class-ph
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论物质介质中的洛仑兹力和爱因斯坦-劳布力

On Lorentz and Einstein-Laub forces in material media

Alexander Kholmetskii, Oleg Missevitch, Tolga Yarman

摘要:

作为讨论的延续(M。Mansuripur,Phys. Rev. Lett. 108,193901(2012)),我们表明,基于物质介质中的洛伦兹力定律的方法,如电磁力的Einstein-Laub表达式,在适当考虑隐藏动量的贡献时,给出了相对论一致的结果。导出了一个与Lorentz和Einstein-Laub方法相容的点状电/磁偶极子的力矩表达式。

英文摘要:

As a continuation of the discussion started in (M. Mansuripur, Phys. Rev. Lett. 108, 193901 (2012)), we show that the approach based on Lorentz force law in material media, like Einstein-Laub expression for electromagnetic force, gives relativistically consistent results, when the contribution of hidden momentum is properly accounted for. An expression for the torque on point-like electric/magnetic dipole is derived, which is compatible with both the Lorentz and Einstein-Laub approaches.

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