Gravitational Waves: The Theorist’s Swiss Knife

Mairi Sakellariadou*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

5 Citations (Scopus)

Abstract

Gravitational waves provide a novel and powerful way to test astrophysical models of compact objects, early universe processes, beyond the Standard Model particle physics, dark matter candidates, Einstein’s theory of General Relativity and extended gravity models, and even quantum gravity candidate theories. A short introduction to the gravitational-wave background and the method we are using to detect it will be presented. Constraints on various astrophysical/cosmological models from the non-detectability of the gravitational-wave background will be discussed. Gravitational waves from transients will be highlighted and their physical implications will be summarised.

Original languageEnglish
Article number132
JournalUniverse
Volume8
Issue number2
DOIs
Publication statusPublished - Feb 2022

Keywords

  • Axion-like particles
  • Compact binaries
  • Cosmic strings
  • Gravitational waves
  • Gravitational-wave transients
  • Modified gravity
  • Parity violation
  • Phase transitions
  • Primordial black holes
  • Quantum gravity
  • Stochastic gravitational-wave background

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