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Testing the ALP-photon coupling with polarization measurements of Sagittarius A*
Guan-Wen Yuan, Ziqing Xia, Chengfeng Tang +5
Ultra-light bosons such as axions or axion-like particles (ALPs), are promising candidates to solve the dark matter problem. A unique way to detect such ALPs is to search for the p…
Updated constraints on superconducting cosmic strings from the astronomy of fast radio bursts
Batool Imtiaz, Rui Shi, Yi-Fu Cai
In this article we update constraints on superconducting cosmic strings (SCSs) in light of the recent observational developments of fast radio bursts (FRBs) astronomy. Assuming str…
Fast Radio Bursts From Primordial Black Hole Binaries Coalescence
Can-Min Deng, Yifu Cai, Xue-Feng Wu +1
In this paper we propose the model that the coalescence of primordial black holes (PBHs) binaries with equal mass g can emit luminous gigahertz (GHz) radio transien…
Superconducting cosmic strings as sources of cosmological fast radio bursts
Jiani Ye, Kai Wang, Yi-Fu Cai
In this paper we calculate the radio burst signals from three kinds of structures of superconducting cosmic strings. By taking into account the observational factors including scat…