Gravitational production of spectator massless vector particles in quasi-de Sitter inflation generates superhorizon entanglement, favors sub-Hubble highly energetic collinear pairs, and sets a lower bound on reheating temperature.
Explicit dimensional renormalization of quantum field theory in curved space-time.Phys
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Entanglement generation from gravitationally produced massless vector particles during inflation
Gravitational production of spectator massless vector particles in quasi-de Sitter inflation generates superhorizon entanglement, favors sub-Hubble highly energetic collinear pairs, and sets a lower bound on reheating temperature.