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  • Letter
  • Open Access

Probing baryogenesis with gravitational waves

Yanou Cui1,*, Anish Ghoshal2,†, Pankaj Saha3,‡, and Evangelos I. Sfakianakis4,5,6,§

  • *Contact author: yanou.cui@ucr.edu
  • †Contact author: anish.ghoshal@fuw.edu.pl
  • ‡Contact author: pankaj@post.kek.jp
  • §Contact author: evangelos.sfakianakis@austin.utexas.edu
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Phys. Rev. D 113, L021304 – Published 23 January, 2026

DOI: https://doi.org/10.1103/964c-5cp3

Abstract

Affleck-Dine baryogenesis is compelling yet challenging to probe because of the high-energy physics involved. We demonstrate that this mechanism can be generically realized with low-energy new physics without supersymmetry while producing detectable gravitational waves (GWs) sourced by parametric resonance of a light scalar field. In viable models, the scalar has a mass of O(0.1–10)  GeV, yielding GWs with peak frequencies of O(10–100)  Hz. This study further reveals a new complementarity between upcoming LIGO-frequency GW detectors and laboratory searches across frontiers of particle physics.

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Phys. Rev. D 113, L021304– Published 23 January, 2026
  • Received 23 January 2025
  • Accepted 4 December 2025
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