New recursion relations for tree-level correlators in anti-de Sitter spacetime

0566251 - FZÚ 2023 RIV US eng J - Journal Article
Armstrong, C. - Gomez, H. - Jusinskas, Renann Lipinski - Lipstein, A. - Mei, J.
New recursion relations for tree-level correlators in anti-de Sitter spacetime.
Physical Review D. Roč. 106, č. 12 (2022), č. článku L121701. ISSN 2470-0010. E-ISSN 2470-0029
Institutional support: RVO:68378271
Keywords : space-time * anti-de Sitter * correlation function * tree approximation
OECD category: Particles and field physics
Impact factor: 5, year: 2022
Method of publishing: Open access

We present for the first time classical multiparticle solutions in anti–de Sitter space (AdS) involving scalars, gluons, and gravitons. They are recursively defined through multiparticle currents which reduce to Berends-Giele currents in the flat space limit. This construction exposes a compact definition of tree-level boundary correlators using a general prescription that removes unphysical boundary contributions. Similarly to the flat space perturbiner, a convenient gauge choice leads to a scalar basis for all degrees of freedom, while the tensor structure is exclusively captured by field theory vertices. This provides a fully automated way to compute AdS boundary correlators to any multiplicity and cosmological wave function coefficients after Wick rotating to de Sitter space.
Permanent Link: https://hdl.handle.net/11104/0337638