We extend the cosmological bootstrap to correlators involving massless particles with spin.
In de Sitter space, these correlators are constrained both by symmetries and by locality. In …

A bstract We study two-point functions of symmetric traceless local operators in the bulk of
de Sitter spacetime. We derive the Källén-Lehmann spectral decomposition for any spin and …

We study the decomposition of the Hilbert space of quantum field theory in $(d+ 1) $
dimensional de Sitter spacetime into Unitary Irreducible Representations (UIRs) of its …

A bstract We define a perturbatively calculable quantity—the on-shell correlator—which
furnishes a unified description of particle dynamics in curved spacetime. Specializing to the …

We study quantum field theories placed on a two-dimensional de Sitter spacetime (dS 2)
with an eye on the group-theoretic organization of single and multi-particle states. We …

We present differential double-copy relations between gluon and graviton three-point
functions in AdS d+ 1. We introduce a set of differential operators in anti–de Sitter (AdS) that …

A bstract The DGKT vacua are a class of AdS 4 flux vacua showing full moduli stabilization,
parametric control, and a parametric separation of scales. The particular masses of the …

A bstract In this note, we study color-kinematics duality in generic spacetimes. We work with
a contact representation for on shell correlators. The position-space integrand is encoded by …

We propose studying a new representation of on-shell Anti de Sitter (AdS) amplitude in
Mellin Momentum space, where it encodes all the dynamical information in Cosmological …

A bstract The special galileon and Dirac-Born-Infeld (DBI) theories are effective field theories
of a single scalar field that have many interesting properties in flat space. These theories can …