Renormalizability and nonrenormalizability of nonlocal potentials
N. Jacobi, A. M. Gasparyan, E. Epelbaum
公開日: 2025/9/10
Abstract
We consider separable toy models of the nucleon-nucleon interaction inspired by chiral effective field theory. We show that nonlocality of the long-range forces causes the need for nonlocal counter terms, or even makes the whole approach nonrenormalizable.