# Combined search for anisotropic birefringence in the gravitational-wave transient catalog GWTC-1

@article{Shao2020CombinedSF, title={Combined search for anisotropic birefringence in the gravitational-wave transient catalog GWTC-1}, author={Lijing Shao}, journal={Physical Review D}, year={2020}, volume={101}, pages={104019} }

The discovery of gravitational waves (GWs) provides an unprecedented arena to test general relativity, including the gravitational Lorentz invariance violation (gLIV). In the propagation of GWs, a generic gLIV leads to anisotropy, dispersion, and birefringence. GW events constrain the anisotropic birefringence particularly well. Kostelecký and Mewes (2016) performed a preliminary analysis for GW150914. We improve their method and extend the analysis systematically to the whole GW transient…

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