期刊
FRONTIERS OF PHYSICS
卷 16, 期 4, 页码 -出版社
HIGHER EDUCATION PRESS
DOI: 10.1007/s11467-021-1049-x
关键词
astroparticle physics; gravitation; astrophysical transients
资金
- National Natural Science Foundation of China [11673068, 11725314, U1831122, 12041306]
- Youth Innovation Promotion Association [2017366]
- Key Research Program of Frontier Sciences [QYZDB-SSW-SYS005, ZDBS-LY-7014]
- Strategic Priority Research Program Multi-waveband gravitational wave universe of Chinese Academy of Sciences [XDB23000000]
Explosive astrophysical transients at cosmological distances can provide precise tests of the basic assumptions of relativity theory, such as Lorentz invariance and the zero-mass hypothesis of photons. The study discusses signatures of Lorentz invariance violations and the consequences of a non-zero photon rest mass. By utilizing astrophysical sources and methods like dispersion, tests on the weak equivalence principle and photon mass limits can be conducted effectively.
Explosive astrophysical transients at cosmological distances can be used to place precision tests of the basic assumptions of relativity theory, such as Lorentz invariance, the photon zero-mass hypothesis, and the weak equivalence principle (WEP). Signatures of Lorentz invariance violations (LIV) include vacuum dispersion and vacuum birefringence. Sensitive searches for LIV using astrophysical sources such as gamma-ray bursts, active galactic nuclei, and pulsars are discussed. The most direct consequence of a nonzero photon rest mass is a frequency dependence in the velocity of light propagating in vacuum. A detailed representation of how to obtain a combined severe limit on the photon mass using fast radio bursts at different redshifts through the dispersion method is presented. The accuracy of the WEP has been well tested based on the Shapiro time delay of astrophysical messengers traveling through a gravitational field. Some caveats of Shapiro delay tests are discussed. In this article, we review and update the status of astrophysical tests of fundamental physics.
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