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

  • E. Epelbaum
  • J. Gegelia
  • Ulf-G. Meißner
  • De-Liang Yao
Regular Article - Theoretical Physics
  • 38 Downloads

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.

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Copyright information

© SIF, Springer-Verlag Berlin Heidelberg 2017

Authors and Affiliations

  • E. Epelbaum
    • 1
  • J. Gegelia
    • 2
    • 3
  • Ulf-G. Meißner
    • 4
    • 2
  • De-Liang Yao
    • 2
  1. 1.Institut für Theoretische Physik IIRuhr-Universität BochumBochumGermany
  2. 2.Institute for Advanced Simulation, Institut für Kernphysik and Jülich Center for Hadron Physics, Forschungszentrum JülichJülichGermany
  3. 3.Tbilisi State UniversityTbilisiGeorgia
  4. 4.Helmholtz Institut für Strahlen- und Kernphysik and Bethe Center for Theoretical PhysicsUniversität BonnBonnGermany

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