A Remark on Witten Effect for QCD Monopoles in Matrix Quantum Mechanics

Details A Remark on Witten Effect for QCD Monopoles in Matrix Quantum Mechanics A Remark on Witten Effect for QCD Monopoles in Matrix Quantum Mechanics

1999-08-04

arxiv.org/abs/hep-th/9908039v2

Mod.Phys.Lett. A14 (1999) 2151-2156

Physics

High Energy Physics

High Energy Physics - Theory

5 pages, revtex

Scientific paper

10.1142/S0217732399002212

In a recent work (hep-th/9905198) we argued that a certain matrix quantum mechanics may describe 't Hooft's monopoles which emerge in QCD when the theory is projected to its maximal Abelian subgroup. In this note we find further evidence which supports this interpretation. We study the theory with a non-zero theta-term. In this case, 't Hooft's QCD monopoles become dyons since they acquire electric charges due to the Witten effect. We calculate a potential between a dyon and an anti-dyon in the matrix quantum mechanics, and find that the attractive force between them grows as the theta angle increases.

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