Scientific article
Open access

Constructing effective field theories via their harmonics

ContributorsMelia, Tom
Published inPhysical Review. D, vol. 100
  • Open Access - SCOAP3
Publication date2019

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.

Citation (ISO format)
MELIA, Tom. Constructing effective field theories via their harmonics. In: Physical Review. D, 2019, vol. 100. doi: 10.1103/PhysRevD.100.016015
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Article (Published version)
ISSN of the journal0556-2821

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