# Coulomb interaction from the interplay between confinement and screening Academic Article

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### abstract

• It has been noticed that confinement effects can be described by the addition of a $\sqrt {- F_{\mu \nu}^a F^{a\mu \nu}}$ term in the Lagrangian density. We now study the combined effect of such "confinement term" and that of a mass term. The surprising result is that the interplay between these two terms gives rise to a Coulomb interaction. Our picture has a certain correspondence with the quasiconfinement picture described by Giles, Jaffe and de Rujula for QCD with symmetry breaking. Comment: 9 pages

### publication date

• January 1, 2004