Physics and Astronomy
Motivated by potentially detectable but minuscule signatures from Planckscale or other new physics, there has been a substantial increase in tests of spacetime symmetry in gravity in recent years. Some novel hypothetical effects that break local Lorentz symmetry and CPT symmetry in gravitational experiments as well as solar system and astrophysical observations have been studied in recent works. Much of this work uses the effective field theory framework, the Standard-Model Extension (SME), that includes gravitational couplings. In other cases, the parameters in specific hypothetical models of Lorentz violation in gravity have been tested.
8th Meeting on CPT and Lorentz Symmetry (CPT'19)
Scholarly Commons Citation
Bailey, Q. G. (2019). Recent Developments in Spacetime-Symmetry Tests in Gravity. , (). Retrieved from https://commons.erau.edu/publication/1279