作为量子引力探针的引力子-光子振荡
广义相对论与量子宇宙学
2024-10-11 v3 高能物理 - 理论
摘要
Gertsenshtein 效应原则上可用于探测单个引力子,方法是将引力子穿过一个充满恒定磁场的区域,使其转换为光子,从而可以通过标准技术进行高效探测。进而可以间接推断出引力场的量子化。我们表明,对于目前可用的单光子探测器技术,Gertsenshtein 探测器通常是低效的,即探测概率 。对于未来能够灵敏探测 Hz 至 kHz 范围频率的单光子探测器,Gertsenshtein 探测器在天体物理尺度上可能变得高效。然而,这种装置原则上是否可能实现尚不清楚。
引用
@article{arxiv.2405.01407,
title = {Graviton-Photon Oscillations as a Probe of Quantum Gravity},
author = {Andrea Palessandro},
journal= {arXiv preprint arXiv:2405.01407},
year = {2024}
}
备注
v3: 26 pages, 1 figure. Added section 3, where I explicitly derive the mixing matrix between graviton-photon quantum states, and appendix 1, where I discuss some technical issues related to the one-loop effective action. Version accepted for publication in Class. Quantum Gravity