FeynGrav：重力振幅的FeynCalc扩展
FeynGrav : FeynCalc extension for gravity amplitudes
摘要：
介绍了一个在FeynCalc中处理引力的Feynman规则的框架。我们提出了一个框架来处理相应的费曼规则的广义相对论和非超对称物质最低限度地耦合到重力。用2 -> 2在壳树能级引力子散射、极化算符和单圈标量-引力相互作用结构测试了该软件包的适用性。
英文摘要：
Package FeynGrav which provides a framework to deal with Feynman rules for gravity within FeynCalc is presented. We present a framework to deal with the corresponding Feynman rules for general relativity and non-supersymmetric matter minimally coupled to gravity. Applicability of the package is tested with 2 -> 2 on-shell tree level graviton scattering, polarization operators, and one-loop scalar-gravitational interaction structure.
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