77 citations · 77 across the 3 of their papers we have counts for
10 papers · 1 filter
Supermassive primordial black holes in multiverse: for nano-Hertz gravitational wave and high-redshift JWST galaxies
Hai-Long Huang, Yong Cai, Jun-Qian Jiang +2
Recently, observational hints for supermassive black holes have been accumulating, which has inspired ones to wonder: Can primordial black holes (PBHs) be supermassive, in particul…
Probing higher-spin particles with gravitational waves from compact binary inspirals
Hao-Yang Liu, Yun-Song Piao, Jun Zhang
Under the framework of gravitational effective field theory, we propose a theory agnostic strategy of searching for higher-spin particles with gravitational waves from compact bina…
Destabilization of black holes and stars by generalized Proca fields
Sebastian Garcia-Saenz, Aaron Held, Jun Zhang
We demonstrate that black holes and stars in general relativity can be destabilized by perturbations of non-minimally coupled vector fields. Focusing on static and spherically symm…
Square Peg in a Circular Hole: Choosing the Right Ansatz for Isolated Black Holes in Generic Gravitational Theories
Yiqi Xie, Jun Zhang, Hector O. Silva +3
The metric of a spacetime can be greatly simplified if the spacetime is circular. We prove that in generic effective theories of gravity, the spacetime of a stationary, axisymmetri…
Dynamic Signatures of Black Hole Binaries with Superradiant Clouds
Jun Zhang, Huan Yang
Superradiant clouds may develop around a rotating black hole, if there is a bosonic field with Compton wavelength comparable to the size of the black hole. In this paper, we invest…
On echo intervals in gravitational wave echo analysis
Yu-Tong Wang, Jun Zhang, Shuang-Yong Zhou +1
Gravitational wave echoes, if they exist, could encode important information of new physics from the strong gravity regime. Current echo searches usually assume constant interval e…