From the 1 of 6 linked papers with an AI index.
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6 papers
Cross-Correlating the Universe: The Gravitational Wave Background and Large-Scale Structure
Federico Semenzato, J. Andrew Casey-Clyde, Chiara M. F. Mingarelli +4
The paper proposes using cross‑correlations between gravitational‑wave background anisotropy maps and galaxy surveys to detect the imprint of unresolved supermassive black‑hole bin…
The first data-driven bounds on the quantum decoherence of inflationary gravitational waves
Jessie de Kruijf, Giacomo Galloni, Nicola Bartolo
The (large-scale) structures we observe in the Universe are classical, but within the inflationary scenario they do originate from quantum fluctuations. This leads to the question:…
Quantum signatures and decoherence during inflation from deep subhorizon perturbations
Francescopaolo Lopez, Nicola Bartolo
In order to shed light on the quantum-to-classical transition of the primordial perturbations in single field inflation, we investigate the decoherence and associated quantum corre…
Observed galaxy number counts on the lightcone up to third order
Lorenzo Gervani, Daniele Bertacca, Nicola Bartolo
In this work we provide a detailed derivation of the observed galaxy number over-density obtained by computing cosmological perturbations up to third order in redshift space and on…
Searching for blue in the dark
Jessie de Kruijf, Eleonora Vanzan, Kimberly K. Boddy +2
The primordial power spectrum of curvature perturbations has been well-measured on large scales but remains fairly unconstrained at smaller scales, where significant deviations fro…
The effect of quantum decoherence on inflationary gravitational waves
Jessie de Kruijf, Nicola Bartolo
The theory of inflation provides a mechanism to explain the structures we observe today in the Universe, starting from quantum-mechanically generated fluctuations. However, this le…