The strong interaction or strong force is today understood to represent the interactions between quarks and gluons as detailed by the theory of quantum chromodynamics (QCD). The strong force is the fundamental force mediated by gluons, acting upon quarks, antiquarks, and the gluons themselves.

This article shows how positive charge particles absorb each other in very small distance. Generally,  two positive charged particles produce banding energy, in small distance. This looking have based on CPH theory and it is continuing of Quantum Electrodynamics and CPH Theory PDF.