Probing the solar system for dark matter using the Sagnac effect

被引：1
作者：
Souza, A. D. S. [1 ]
Muniz, C. R. [1 ]
Neves, R. M. P. [1 ]
Cruz, M. B. [2 ]
机构：
[1] Univ Estadual Ceara UECE, Fac Educ Ciencias & Letras Iguatu, Av Dario Rabelo S-N, BR-6350000 Iguatu, CE, Brazil
[2] Univ Estadual Paraiba UEPB, Ctr Ciencias Exatas & Sociais Aplicadas CCEA, R Alfredo Lustosa Cabral S-N, BR-58706550 Patos de Minas, PB, Brazil
来源：
ANNALS OF PHYSICS | 2025年 / 472卷
关键词：
Sagnac effect; Solar system; Dark matter; Schwarzschild metric; BLACK-HOLES; ROTATION; GRAVITY;
D O I：
10.1016/j.aop.2024.169859
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
This study investigates the potential of the Sagnac Effect for detecting dark matter in the Solar System, particularly within the Sun. Originating from the relative delay and interference of light beams traveling in opposite directions on rotating platforms, the effect can account for how varying gravitational conditions affect its manifestation. We analyze the Sagnac time in two static, spherically symmetric spacetimes: Schwarzschild and one incorporating dark matter, in the form of a perfect fluid. Comparing the relative deviations in Sagnac time calculated for these metrics in the reference frame of satellites orbiting our star, which serve as a rotating circular platform and emit laser beams in opposite directions, with the precision of onboard atomic clocks (about 10-11), allows us to evaluate the potential for detecting dark matter's gravitational influence through this effect.
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页数：8
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