Hidden conformal invariance of scalar effective field theories

We argue that conformal invariance is a common thread linking several scalar effective field theories that appear in the double copy and scattering equations. For a derivatively coupled scalar with a quartic O(p4) vertex, classical conformal invariance dictates an infinite tower of additional intera...

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Veröffentlicht in:	Physical review. D 2020-12, Vol.102 (12), p.125009-1, Article 125009
Hauptverfasser:	Cheung, Clifford, Mangan, James, Shen, Chia-Hsien
Format:	Artikel
Sprache:	eng
Schlagworte:	astronomy & astrophysics ASTRONOMY AND ASTROPHYSICS Born-Infeld theory conformal field theory effective field theory Invariance physics quantum field theory Scale invariance scattering amplitudes
Online-Zugang:	Volltext
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