Centro de Excelencia Severo Ochoa

Menu

Search

Specialist level

Speaker:

Patricio Salgado-Rebolledo

Institution:

Pontificia Universidad Catolica de Valparaiso, Chile

Location&Place:

IFT Seminar Room/Red Room

Abstract:

We introduce an infinite-dimensional space whose isometries are given by an

infinite expansion of the Poincaré algebra. Different truncations of this symmetry

define a family of extensions of the Galilei algebra. Particle actions invariant under

these extended Galilean symmetries naturally lead to post-Newtonian corrections in the

non-relativistic limit. In the context of gravity, we construct a Chern-Simons action

invariant under this infinite-dimensional algebra, which leads to a sequence of

non-relativistic gravity actions that include extended Bargmann gravity and Newtonian

gravity as its simplest examples. Similarly, one can define Carrollian expansions and

the corresponding Chern-Simons gravity actions. The procedure can be generalized to

the AdS case, from which it is possible to derive the anstaz for the large c expansion

of the metric that has been recently used in the literature in the context of

Newtonian gravity.

## Social media