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Discerning quantum gravity effects in gravitational-wave observations

Investigate whether quantum gravity signatures can be separated from other effects that modify gravitational wave signals during inspiral, merger, and ringdown, within semiclassical gravity frameworks.

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Background

Semiclassical gravity and effective field theory approaches predict possible quantum corrections to compact binary dynamics, but such effects can be confounded by environmental or modeling systematics.

The question seeks strategies and regimes where genuine quantum gravity imprints can be identified.

References

Open questions: Will it be possible to discern quantum gravity effects from other effects modifying gravitational signals?

Black Holes Inside and Out 2024: visions for the future of black hole physics (2410.14414 - Afshordi et al., 18 Oct 2024) in Enrico Barausse, Section "Semiclassical gravity"