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arXiv 0804.2386gr-qc
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ADM形式中点质量引力相互作用的量纲正则化

Dimensional regularization of the gravitational interaction of point masses in the ADM formalism

Thibault Damour, Piotr Jaranowski, Gerhard Schäfer

摘要:

给出了$d$空间维两点质量系统的ADM形式。指出直接在$d=3$空间维数中考虑的第三后牛顿ADM哈密顿量的正则化模糊性可以通过维数延拓(到复$d$)来消除,从而得到有限且唯一的哈密顿量$d\to3$ .给出了第三类后牛顿两点质量ADM哈密顿量的维数延拓计算的一些尚未发表的细节。

英文摘要:

The ADM formalism for two-point-mass systems in $d$ space dimensions is sketched. It is pointed out that the regularization ambiguities of the 3rd post-Newtonian ADM Hamiltonian considered directly in $d=3$ space dimensions can be cured by dimensional continuation (to complex $d$'s), which leads to a finite and unique Hamiltonian as $d\to3$. Some so far unpublished details of the dimensional-continuation computation of the 3rd post-Newtonian two-point-mass ADM Hamiltonian are presented.

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