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Constructing effective field theories via their harmonics

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arxiv 1902.06754 v1 pith:K4ZG5S23 submitted 2019-02-18 hep-ph hep-th

Constructing effective field theories via their harmonics

classification hep-ph hep-th
keywords fieldeffectiveharmonicharmonicstheoriesanalysisapproachbases
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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We consider the construction of operator bases for massless, relativistic quantum field theories, and show this is equivalent to obtaining the harmonic modes of a physical manifold (the kinematic Grassmannian), upon which observables have support. This enables us to recast the approach of effective field theory (EFT) through the lens of harmonic analysis. We explicitly construct harmonics corresponding to low mass dimension EFT operators.

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Cited by 2 Pith papers

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