电磁能量动量张量
The electromagnetic energy-momentum tensor
摘要:
阐明了正则和度规能量动量张量之间的关系。特别是,我们表明,一个自然的定义产生的诺特定理,直接导致一个对称的和规范不变张量的电磁场论的任意时空的任何尺寸。
英文摘要:
We clarify the relation between canonical and metric energy-momentum tensors. In particular, we show that a natural definition arises from Noether's Theorem which directly leads to a symmetric and gauge invariant tensor for electromagnetic field theories on an arbitrary space-time of any dimension.
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