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gr-qc2026
Testing the strong equivalence principle with multimessenger binary neutron star mergers
Jie Zhu, Hanlin Song, Zhenwei Lyu +5
The constancy of the gravitational constant is a cornerstone of the strong equivalence principle and of general relativity, yet its possible temporal variation remains a key ta…
gr-qc2026
Gravitational-wave constraints on noncommutative spacetime from GW190814
Hanlin Song, Hao Li, Zhenwei Lyu +3
Recent advances in noncommutative geometry and string theory have stimulated increasing research on noncommutative gravity. The detection of gravitational waves~(GW) opens a new wi…