引力四费米子相互作用与早期宇宙动力学
宇宙学与河外天体物理
2024-01-30 v4 广义相对论与量子宇宙学
摘要
如果挠率存在,它会产生在普朗克尺度上至关重要的引力四费米子相互作用(GFFI)。我们分析了该相互作用对 Friedmann-Lemaitre-Robertson-Walker (FLRW) 宇宙学的影响。针对同时包含由 GFFI 生成的能量-动量张量和常见超相对论能量-动量张量的问题,我们导出了显式解析解。我们证明引力四费米子相互作用不会导致大反弹。
引用
@article{arxiv.1303.1348,
title = {Gravitational four-fermion interaction and dynamics of the early Universe},
author = {I. B. Khriplovich and A. S. Rudenko},
journal= {arXiv preprint arXiv:1303.1348},
year = {2024}
}
备注
Axial-axial and vector-vector contributions have been recalculated: the AA contribution is 4 times larger than in previous calculations, the VV contribution is the same, the conclusions have not changed. arXiv admin note: text overlap with arXiv:1210.7306