Screening mechanism and multi-vortices in dual QCD vacuum

Nandan, Hemwati

Abstract

The screening effects in a chromodynamic vacuum which act as dual superconductor in the background of the magnetic condensation, have been studied. The colour charge and colour electric flux screening mechanism have been investigated and these screening effects are shown to be responsible for the colour confinement in dual QCD. It is also demonstrated that with the transition from the type-II to type-I in dual QCD vacuum at strong coupling constant as 0.5, there exist n-vortex solutions with Bogomol’nyi-Prasad-Sommerfeld (BPS) conditions.

Keyword(s)

Dual QCDp; charge/flux screening; confinement; BPS conditions; Multi-vortex

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