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EFT approach to general relativity: correction to EIH Lagrangian due to electromagnetic charge
General Relativity and Gravitation ( IF 2.1 ) Pub Date : 2020-09-01 , DOI: 10.1007/s10714-020-02748-1
Raj Patil

We extend the Non-Relativistic formulation of General Relativity (NRGR) given in Goldberger et al. (Phys Rev D 73:104029, 2006) to incorporate the effects of electromagnetic charge of the constituents of the binary. We incorporate the photon field in NRGR by giving the field decomposition and power counting rules. Using these, we develop the Feynman rules to describe photon and graviton interactions with point particle worldline. We then find the corrections to the Einstein-Infeld-Hoffmann Lagrangian (Einstein et al. in Ann Math 39:65-100, 1938) due to the presence of the photon field and electromagnetic charge of the constituents of the binary.

中文翻译:

广义相对论的 EFT 方法:由于电磁电荷对 EIH 拉格朗日函数的校正

我们扩展了 Goldberger 等人给出的广义相对论 (NRGR) 的非相对论公式。(Phys Rev D 73:104029, 2006) 结合二元成分的电磁电荷效应。我们通过给出场分解和功率计数规则将光子场纳入 NRGR。使用这些,我们开发了费曼规则来描述光子和引力子与点粒子世界线的相互作用。然后,由于存在光子场和双星成分的电磁电荷,我们发现了对爱因斯坦-因菲尔德-霍夫曼拉格朗日量的修正(爱因斯坦等人,在 Ann Math 39:65-100, 1938 中)。
更新日期:2020-09-01
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