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Article overview
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Geometrized quantum Galileons | Lavinia Heisenberg
; Christian F. Steinwachs
; | Date: |
16 Sep 2019 | Abstract: | We investigate the renormalization structure of the scalar Galileon model in
flat spacetime by calculating the one-loop divergences in a closed geometric
form. The geometric formulation is based on the definition of an effective
Galileon metric and allows to apply known heat-kernel techniques. The result
for the one-loop divergences is compactly expressed in terms of curvature
invariants of the effective Galileon metric and corresponds to a resummation of
the divergent one-loop contributions of all $n$-point functions. The divergent
part of the one-loop effective action therefore serves as generating functional
for arbitrary $n$-point counterterms. We discuss our result within the Galileon
effective field theory and give a brief outlook on extensions to more general
Galileon models in curved spacetime. | Source: | arXiv, 1909.7111 | Services: | Forum | Review | PDF | Favorites |
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