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gr-qc2023
Gravitational Wave non-Gaussianity from trans-Planckian Quantum Noise
Mattia Cielo, Matteo Fasiello, Gianpiero Mangano +1
We examine the effect of a trans-Planckian phase on the dynamics of inflationary tensor perturbations. To remedy the fact that this regime is not fully captured by standard perturb…
hep-ph2023★ 6 cited
Neff in the Standard Model at NLO is 3.043
Mattia Cielo, Miguel Escudero, Gianpiero Mangano +1
The effective number of relativistic neutrino species is a fundamental probe of the early Universe and its measurement represents a key constraint on many scenarios beyond the Stan…