Gravitational radiation in d>4 from effective field theory
Vitor Cardoso, Oscar J.C. Dias, Pau Figueras
TL;DR
This paper applies the Classical Effective Field Theory approach to derive gravitational radiation formulas and the Einstein-Infeld-Hoffman Lagrangian in arbitrary spacetime dimensions, advancing theoretical understanding of gravity.
Contribution
It introduces a novel application of Effective Field Theory to compute gravitational radiation and related Lagrangians in any number of dimensions.
Findings
Derived Einstein-Infeld-Hoffman Lagrangian in arbitrary dimensions
Computed Einstein's quadrupole formula for any flat spacetime dimension
Demonstrated the usefulness of Effective Field Theory in gravitational physics
Abstract
Some years ago, a new powerful technique, known as the Classical Effective Field Theory, was proposed to describe classical phenomena in gravitational systems. Here we show how this approach can be useful to investigate theoretically important issues, such as gravitational radiation in any spacetime dimension. In particular, we derive for the first time the Einstein-Infeld-Hoffman Lagrangian and we compute Einstein's quadrupole formula for any number of flat spacetime dimensions.
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