PIRSA:25040106 Scientific Series Strong Gravity

DOI10.48660/25040106

Series: Strong Gravity

Figueroa, D. (2025). Cosmic-string gravitational wave backgrounds: detectability, signal reconstruction, and model comparison at LISA. Perimeter Institute. https://pirsa.org/25040106

Figueroa, Dani. Cosmic-string gravitational wave backgrounds: detectability, signal reconstruction, and model comparison at LISA. Perimeter Institute, Apr. 10, 2025, https://pirsa.org/25040106 

@misc{ pirsa_PIRSA:25040106,
  doi = {10.48660/25040106},
  url = {https://pirsa.org/25040106},
  author = {Figueroa, Dani},
  keywords = {Strong Gravity},
  language = {en},
  title = {Cosmic-string gravitational wave backgrounds: detectability, signal reconstruction, and model comparison at LISA},
  publisher = {Perimeter Institute},
  year = {2025},
  month = {apr},
  note = {PIRSA:25040106 see, \url{https://pirsa.org}}
}

Abstract

Cosmic string networks are expected to generate a large gravitational wave background (GWB). We present a survey of GWB signal templates depending on the underlying hypothesis of the cosmic-string network. Following, we introduce a machine learning method based on SBI techniques, to determine the detectability of these signals by LISA, including signal spectral reconstruction and model comparison procedures.

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