Abstract
We argue that in the Copenhagen (“spaghetti”) picture of the QCD vacuum the chromomagnetic flux tubes exhibit chromoelectric superconductivity. We show that the superconducting chromoelectric currents in the tubes may be induced by the topological charge density.
Highlights
The nonperturbative structure of the ground state of QCD vacuum is one of the most interesting unsolved problems in quantum field theory
We argue that in the Copenhagen (“spaghetti”) picture of the QCD vacuum the chromomagnetic flux tubes exhibit chromoelectric superconductivity
One of the popular approaches is the “spaghetti vacuum” picture: the QCD vacuum is considered to be populated by evolving vortex tubes which carry a chromomagnetic flux [1,2,3,4,5]
Summary
The nonperturbative structure of the ground state of QCD vacuum is one of the most interesting unsolved problems in quantum field theory. We argue that in the Copenhagen (“spaghetti”) picture of the QCD vacuum the chromomagnetic flux tubes exhibit chromoelectric superconductivity. We show that the superconducting chromoelectric currents in the tubes may be induced by the topological charge density.
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