Fathollahi Loghman, Wu Falin, Pongracic Barbara
SNARS Laboratory, School of Instrumentation and Optoelectronic Engineering, Beihang University, Beijing, China.
iOLAP, Inc., Rijeka, Croatia.
Heliyon. 2023 Jan 24;9(2):e13178. doi: 10.1016/j.heliyon.2023.e13178. eCollection 2023 Feb.
This paper reports a test of gravitational redshift, which is a consequence of the Einstein equivalence principle, using the Rb clocks of GPS Block IIF satellites. The fractional deviation in the gravitational redshift was measured using 6,640 days of data from three Rb clocks onboard GPS Block IIF satellites. The systematic effects related to orbital uncertainty, temperature, and magnetic field were modeled conservatively. The fractional deviation in the gravitational redshift from the general relativity prediction was measured with at one sigma.
本文报告了一项利用GPS IIF型卫星的铷原子钟对引力红移进行的测试，引力红移是爱因斯坦等效原理的一个结果。利用来自GPS IIF型卫星上三个铷原子钟的6640天数据，测量了引力红移中的分数偏差。对与轨道不确定性、温度和磁场相关的系统效应进行了保守建模。测得引力红移相对于广义相对论预测的分数偏差在1个标准差水平上为 。
