118 citations · 545 across the 25 of their papers we have counts for
5 papers · 1 filter
Magnetic monopole meets primordial black hole: an extended analysis
Chen Zhang, Xin Zhang
We investigate gravitational capture of magnetic monopoles by primordial black holes (PBH) that evaporate before Big Bang Nucleosynthesis (BBN), a hypothetical process which was on…
Radial and Non-Radial Oscillations of Inverted Hybrid Stars
Chen Zhang, Yudong Luo, Hong-bo Li +2
We study the radial and non-radial oscillations of Cross stars (CrSs), i.e., stars with a quark matter crust and a hadronic matter core in an inverted order compared to conventiona…
Rescaling strange-cluster stars and its implications on gravitational-wave echoes
Chen Zhang, Yong Gao, Cheng-Jun Xia +1
Solid states of strange-cluster matter called strangeon matter can form strangeon stars that are highly compact. We show that strangeon matter and strangeon stars can be recast int…
BCS in the Sky: Signatures of Inflationary Fermion Condensation
Xi Tong, Yi Wang, Chen Zhang +1
We consider a Bardeen-Cooper-Schrieffer (BCS)-like model in the inflationary background. We show that with an axial chemical potential, the attractive quartic fermion self-interact…
Gravitational capture of magnetic monopoles by primordial black holes in the early universe
Chen Zhang, Xin Zhang
It is intriguing to ask whether the existence of primordial black holes (PBHs) in the early universe could significantly reduce the abundance of certain stable massive particles (S…