The subtle simplicity of cosmological correlators
(2025)
Journal Article
Chowdhury, C., Lipstein, A., Mei, J., Sachs, I., & Vanhove, P. (in press). The subtle simplicity of cosmological correlators. Journal of High Energy Physics, 2025(3), Article 7. https://doi.org/10.1007/jhep03%282025%29007
We investigate cosmological correlators for conformally coupled ϕ4 theory in four-dimensional de Sitter space. These in-in correlators differ from scattering amplitudes for massless particles in flat space due to the spacelike structure of future inf... Read More about The subtle simplicity of cosmological correlators.