Free field theory at null infinity and white noise calculus: a BMS invariant dynamical system

TL;DR

This paper develops a BMS invariant field theory at null infinity using white noise analysis and dynamical systems techniques, providing a new framework for understanding asymptotically flat spacetimes.

Contribution

It introduces a novel approach combining white noise calculus and dynamical systems to formulate BMS invariant field theories at null infinity.

Findings

Formulation of a BMS invariant Lagrangian and Hamiltonian framework

Application of white noise analysis to asymptotic spacetime symmetries

Advancement in understanding field dynamics at null infinity

Abstract

In the context of asymptotically flat spacetimes we exploit techniques proper either of white noise analysis either of dynamical systems in order to develop the Lagrangian and the Hamiltonian approach to a BMS invariant field theory at null infinity.