Towards the String representation of the dual Abelian Higgs model beyond the London limit

Abstract

We perform a path-integral analysis of the string representation of the dual Abelian Higgs (DAH) model beyond the London limit, where the string describing the vortex of a flux tube has a finite thickness. We show that besides an additional vortex core contribution to the string tension, a modified Yukawa interaction appears as a boundary contribution in the type-II dual superconducting vacuum. In the London limit, the modified Yukawa interaction is reduced to the Yukawa one.

13 pages, JHEP3.cls is used, no figures. The version accepted for publication in JHEP

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