Nonperturbative solution of scalar Yukawa model in two- and three-body Fock space truncations

11 Oct 2016 Karmanov Vladimir A. Li Yang Smirnov Alexander V. Vary James P.

The Light-Front Tamm-Dancoff method of finding the nonperturbative solutions in field theory is based on the Fock decomposition of the state vector, complemented with the sector-dependent nonperturbative renormalization scheme. We show in detail how to implement the renormalization procedure and to solve the simplest nontrivial example of the scalar Yukawa model in the two- and three-body Fock space truncations incorporating scalar "nucleon" and one or two scalar "pions"...

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  • HIGH ENERGY PHYSICS - THEORY
  • NUCLEAR THEORY