BMS field theory and holography in asymptotically flat space-times
Claudio Dappiaggi
TL;DR
This paper investigates the holographic principle in asymptotically flat space-times using the BMS group, constructing a boundary field theory at null infinity and analyzing its quantum properties and bulk-boundary correlations.
Contribution
It introduces a free field theory at null infinity invariant under BMS symmetry, linking boundary correlators to bulk physics in flat space holography.
Findings
Constructed a BMS-invariant field theory at null infinity.
Analyzed quantum aspects and correlation functions.
Explored bulk-boundary relationship in flat space holography.
Abstract
We explore the holographic principle in the context of asymptotically flat space-times by means of the asymptotic symmetry group of this class of space-times, the so called Bondi-Metzner-Sachs (BMS) group. In particular we construct a (free) field theory living at future (or past) null infinity invariant under the action of the BMS group. Eventually we analyse the quantum aspects of this theory and we explore how to relate the correlation functions in the boundary and in the bulk.
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