Nuclear And Particle Physics

Pramana

, Volume 9, Issue 3, pp 239-247

First online:

Renormalizable theories from nonrenormalizable interactions

  • G RajasekaranAffiliated withDepartment of Theoretical Physics, University of Madras
  • , V SrinivasanAffiliated withDepartment of Theoretical Physics, University of Madras

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Abstract

By using Kikkawa’s method the equivalence of the nonrenormalizable pair interaction\(\bar \psi \psi \phi ^2 \) to a renormalizable theory is proved. Equivalence relationships between a few other nonrenormalizable and renormalizable interactions are also indicated.

Keywords

Quantum field theory renormalizable and nonrenormalizable interactions composite particles pair interaction φ6 coupling