Hidden-sector Spectroscopy with Gravitational Waves from Binary Neutron Stars

Djuna Croon, Ann E. Nelson, Chen Sun, Devin G.E. Walker, Zhong Zhi Xianyu

Research output: Contribution to journalArticlepeer-review


We show that neutron star (NS) binaries can be ideal laboratories to probe hidden sectors with a long-range force. In particular, it is possible for gravitational wave (GW) detectors such as LIGO and Virgo to resolve the correction of waveforms from ultralight dark gauge bosons coupled to NSs. We observe that the interaction of the hidden sector affects both the GW frequency and amplitude in a way that cannot be fitted by pure gravity.

Original languageEnglish
Article numberL2
JournalAstrophysical Journal Letters
Issue number1
StatePublished - 1 May 2018
Externally publishedYes


  • binaries: close
  • dark matter
  • gravitational waves


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