旋转且膨胀宇宙中的脉冲星计时阵列
综合物理
2025-10-23 v5
摘要
近期四个脉冲星计时阵列的测量结果被解释为低频随机引力波背景的信号。我们表明，脉冲星计时残差的角关联与振幅可解释为脉冲星光子在旋转且膨胀宇宙内的涡旋测地线运动所致。所得的角关联曲线类似于 Hellings-Downs 曲线，且观测到的振幅可用于估算宇宙的涡量。我们表明，估算出的涡量与观测到的 CMB 偏振矢量旋转相符。
引用
@article{arxiv.2309.00383,
title = {Pulsar timing arrays within rotating and expanding Universe},
author = {Davor Palle},
journal= {arXiv preprint arXiv:2309.00383},
year = {2025}
}
备注
10 pages, 3 figures, 19 references; v2: one reference added; v3: few typos fixed and one reference added; v4: one comment and one reference added; v5: one estimate and two references added