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On chromoelectric (super)conductivity of the Yang-Mills vacuum

arXiv:1212.3168 · doi:10.1016/j.physletb.2014.01.029

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.

4 pages, 2 figures; v2: misprints corrected, matches published version