评“亚伯拉罕-闵可夫斯基难题的解决”
Comment on "Resolution of the Abraham-Minkowski Dilemma"
摘要:
在最近的一封信由巴内特[S。M. Barnett,Phys. Rev. Lett. 104,070401(2010)],提出了一种用于解决亚伯拉罕-闵可夫斯基困境的总动量模型。在这个模型中,亚伯拉罕动量和闵可夫斯基动量分别是同一总动量的一个分量,前者是动能,后者是正则动量。在这篇评论中,我想指出,这个物理模型不符合相对性原理框架下的整体动量-能量守恒定律。
英文摘要:
In a recent Letter by Barnett [S. M. Barnett, Phys. Rev. Lett. 104, 070401 (2010)], a total-momentum model is proposed for resolution of the Abraham-Minkowski dilemma. In this model, Abraham's and Minkowski's momentums are, respectively, a component of the same total momentum, with the former being the kinetic momentum and the latter the canonical momentum. In this Comment, I would like to indicate that this physical model is not consistent with global momentum-energy conservation law in the principle-of-relativity frame.
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