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gr-qc2026
Causal Gravitational-Wave Production Does Not Generate Infrared Adiabatic Curvature
Ruth Durrer, Alessandro Melchiorri
Short tensor modes can generate a white noise contribution to the local scalar , but this does not induce an infrared-enhanced adiabatic curvature spectrum. For a c…
gr-qc1998★ 51 cited
Seeds of large-scale anisotropy in string cosmology
R. Durrer, M. Gasperini, M. Sakellariadou +1
Pre-big bang cosmology predicts tiny first-order dilaton and metric perturbations at very large scales. Here we discuss the possibility that other -- more copiously generated -- pe…