# nLab Daniel Baumann

Institute page

## Selected writing

On cosmology and the cosmic microwave background:

Reviewing the classification of possible long-range forces, hence of scattering processes of massless fields, by classification of suitably factorizing and decaying Poincaré-invariant S-matrices depending on particle spin, leading to uniqueness statements about Maxwell/photon-, Yang-Mills/gluon-, gravity/graviton- and supergravity/gravitino-interactions:

category: people

Last revised on December 17, 2019 at 08:17:08. See the history of this page for a list of all contributions to it.