Two-Loop Calculations in phi⁴ Light-Front Field Theory
classification
✦ hep-th
keywords
light-frontrenormalizationtheorytwo-loopadoptedagreementapproachboost
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We perform a two-loop calculation in light-front phi^4 theory to determine the effective mass renormalization of the light-front Hamiltonian. The renormalization scheme adopted here is manifestly boost invariant, and yields results that are in perfect agreement with the explicitly covariant Feynman diagram approach.
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