“renormalized energy-momentum tensor”的概念、定义、翻译、参考文献-科学参考

renormalized energy-momentum tensor

Encyclopedia

理学弯曲时空量子场论释
renormalized energy-momentum tensor重正化能动张量
经典场的能动张量是场量的函数。对于量子化的物质场，如果场算符在流形每一点都有定义，则就可直接得到其能动张量。但场算符只有作为一种时空分布才有明确的定义，直接将经典物质场能动张量中的场变量用场算符来代替会导致发散。因此在量子场论中定义场的能动张量必须采用某种重正化的手段。

单词	renormalized energy-momentum tensor
释义	renormalized energy-momentum tensor Encyclopedia 理学弯曲时空量子场论释 renormalized energy-momentum tensor重正化能动张量经典场的能动张量是场量的函数。对于量子化的物质场，如果场算符在流形每一点都有定义，则就可直接得到其能动张量。但场算符只有作为一种时空分布才有明确的定义，直接将经典物质场能动张量中的场变量用场算符来代替会导致发散。因此在量子场论中定义场的能动张量必须采用某种重正化的手段。
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