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Showing 2024 · hep-thShow all
2 papers · 2 filters
hep-th2024★ 7 cited
Constraints on the Pre-Big Bang scenario from a cosmological interpretation of the NANOGrav data
P. Conzinu, G. Fanizza, M. Gasperini +3
We discuss a recently proposed fit of the 15-year data set obtained from the North American Nanohertz Observatory for Gravitational Waves (NANOGrav) in terms of a relic stochastic…
hep-th2024★ 2 cited
Carroll swiftons
Florian Ecker, Daniel Grumiller, Marc Henneaux +1
We construct Carroll-invariant theories with fields propagating outside the Carroll lightcone, i.e., at a speed strictly greater than zero (`Carroll swiftons'). We first consider m…