3 papers
hep-th2026
Three-Gluon Scattering Amplitude in de Sitter Spacetime
Tomasz R. Taylor, Bin Zhu
We study three-gluon scattering amplitudes in global de Sitter spacetime, in the angular momentum basis of SO(1,4) symmetry representations. At the tree level, they are determined…
hep-th2025
Scattering of Quantum Particles in Global de Sitter Spacetime II: Scalars in Deep Infrared
Tomasz R. Taylor, Bin Zhu
We apply the S-matrix formalism developed in Part I to the interacting scalar theory in four-dimensional de Sitter spacetime. The amplitudes are computed in the angular momentum ba…
hep-th2024
Scattering of Quantum Particles in de Sitter Spacetime I: The Formalism
Tomasz R. Taylor, Bin Zhu
We develop a formalism for computing the scattering amplitudes in maximally symmetric de Sitter spacetime with compact spatial dimensions. We describe quantum states by using the r…