Renormalization of the three-boson system with short-range interactions revisited

Abstract

We consider renormalization of the three-body scattering problem in low-energy effective field theory of self-interacting scalar particles by applying time-ordered perturbation theory to the manifestly Lorentz-invariant formulation. The obtained leading-order equation is perturbatively renormalizable and non-perturbatively finite and does not require a three-body counter term in contrast to its non-relativistic approximation.

6 pages, 4 figures

References in corpus (2)

• Efimov Physics: a review
• Finite Range Effects in Energies and Recombination Rates of Three Identical Bosons

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