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gr-qc2022
Gravitational wave memory produced by cosmic background radiation
Zhoujian Cao, Xiaokai He, Zhi-Chao Zhao
It is well known that energy fluxes will produce gravitational wave memory. The gravitational wave memory produced by background including cosmic microwave background (CMB), cosmic…
gr-qc2022★ 2 cited
On the angular momentum of compact binary coalescence
Xiaokai He, Xiaoning Wu, Naqing Xie
The supertranslation ambiguity issue of angular momentum is a long-standing problem in general relativity. Recently, there appeared the first definition of angular momentum at null…