Merger rate distribution of primordial black hole binaries with electric charges

Lang Liu, Zong-Kuan Guo, Rong-Gen Cai, and Sang Pyo Kim
Phys. Rev. D 102, 043508 – Published 7 August 2020

Abstract

We consider gravitational radiation and electromagnetic radiation from point mass binary with electric charges in a Keplerian orbit, and calculate the merger rate distribution of primordial black hole binaries with charges and a general mass function by taking into account gravitational torque and electromagnetic torque by the nearest primordial black hole. We apply the formalism to the extremal charged case and find that α=(mi+mj)22lnR(mi,mj)/mimj=12/11, which is independent of the mass function.

  • Figure
  • Figure
  • Received 31 March 2020
  • Accepted 22 July 2020

DOI:https://doi.org/10.1103/PhysRevD.102.043508

© 2020 American Physical Society

Physics Subject Headings (PhySH)

  1. Research Areas
Gravitation, Cosmology & Astrophysics

Authors & Affiliations

Lang Liu1,2,*, Zong-Kuan Guo1,2,3,†, Rong-Gen Cai1,2,3,‡, and Sang Pyo Kim1,4,§

  • 1CAS Key Laboratory of Theoretical Physics, Institute of Theoretical Physics, Chinese Academy of Sciences, Beijing 100190, China
  • 2School of Physical Sciences, University of Chinese Academy of Sciences, No. 19A Yuquan Road, Beijing 100049, China
  • 3School of Fundamental Physics and Mathematical Sciences, Hangzhou Institute for Advanced Study, University of Chinese Academy of Sciences, Hangzhou 310024, China
  • 4Department of Physics, Kunsan National University, Kunsan 54150, Korea

  • *liulang@itp.ac.cn
  • guozk@itp.ac.cn
  • cairg@itp.ac.cn
  • §sangkim@kunsan.ac.kr

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Issue

Vol. 102, Iss. 4 — 15 August 2020

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