Fermionic S-matrix and cosmological correlators: T-violation at O(H)

Aman Goyal, Aneek Jana, Swapnanil Mandal +1

We study the Bunch-Davies (BD) and Unruh-de Witt (UdW) de Sitter S-matrices in the presence of spin-$1/2$ fermions. Building on recent work, this enables us to correlate the de Sit…