Towards the string representation of the dual abelian Higgs model beyond the London limit. (English) Zbl 1226.81206
Summary: 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.
MSC:
| 81T30 | String and superstring theories; other extended objects (e.g., branes) in quantum field theory |
| 81V05 | Strong interaction, including quantum chromodynamics |
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