Geometry of Multiflavor Galileon-Like Theories.

Clicks: 272
ID: 72150
2018
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Abstract
We use Lie-algebraic arguments to classify Lorentz-invariant theories of massless interacting scalars that feature coordinate-dependent redundant symmetries of the Galileon type. We show that such theories are determined, up to a set of low-energy effective couplings, by specifying an affine representation of the Lie algebra of physical, nonredundant internal symmetries and an invariant metric on its target space. This creates an infinite catalog of theories relevant for both cosmology and high-energy physics thanks to their special properties such as enhanced scaling of scattering amplitudes in the soft limit.
Reference Key
bogers2018geometryphysical Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors Bogers, Mark P;Brauner, Tomáš;
Journal physical review letters
Year 2018
DOI
10.1103/PhysRevLett.121.171602
URL
Keywords
lie algebra monohalogenated acetylenes vibrational spectra

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