Multicritical scalar theories with higher-derivative kinetic terms: A perturbative RG approach with the $\epsilon$-expansion
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DOI: 10.1103/physrevd.97.041701
Abstract: We employ perturbative renormalization group and e-expansion to study multicritical single-scalar field theories with higher derivative kinetic terms of the form ϕ(-□)kϕ. We focus on those with a Z2-symmetric critical point which are characterized by… read more here.
Keywords: higher derivative; expansion; multicritical scalar; theories higher ... See more keywords