FeynGrav 3.0
FeynGrav 3.0
摘要:
我们提出了新版本的FeynGrav。该软件包提供了在FeynCalc中使用费曼规则进行量子引力操作的工具。最新版本提高了封装效率并实现了新的物理模型。我们发现经常性的度量因素,提高计算效率之间的关系。我们讨论的引力相互作用与Horndeski引力,二次引力,和最简单的类轴子耦合。我们实现了大质量引力子传播子,并讨论了在包中实现大质量引力的可能性。
英文摘要:
We present the new version of the FeynGrav. The package provides tools to operate with Feynman rules for quantum gravity within FeynCalc. The latest version improves package efficiency and implements new physical models. We discover recurrent relations between metric factors that enhance computational efficiency. We discuss gravitational interaction with Horndeski gravity, quadratic gravity, and the simplest axion-like coupling. We implemented the massive graviton propagator and discussed the possibility of implementing massive gravity within the package.
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