Quantum magnetic flux lines, BPS vortex zero modes, and one-loop string tension shifts

Abstract

Spectral heat kernel/zeta function regularization procedures are employed in this paper to control the divergences arising from vacuum fluctuations of Bogomolnyi-Prasad-Sommerfield vortices in the Abelian Higgs model. Zero modes of vortex fluctuations are the source of difficulties appearing when the standard Gilkey-de Witt expansion is performed. A modified GdW expansion is developed to diminish the impact of the infrared divergences due to the vortex zero modes. With this new technique at our disposal we compute the one-loop vortex mass shift in the planar AHM and the quantum corrections to the string tension of the magnetic flux tubes living in three dimensions. In both cases it is observed that weak repulsive forces surge between these classically non interacting topological defects caused by vacuum quantum fluctuations.

arXiv comment25 pages, 2 figures

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Cited by in corpus (8)

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• Bose-Einstein condensation temperature of finite systems
• Higgs phase in a gauge $\mathbf{U}(1)$ non-linear ${\mathbf{CP}}^1$-model. Two species of BPS vortices and their zero modes
• Non-topological fractional fermion number in the Jackiw-Rossi model
• Vacuum polarization energy of a complex scalar field in a vortex background
• Quantum energies of BPS vortices in $D=2+1$ and $D=3+1$
• Virial coefficients expressed by heat kernel coefficients
• Vortex Fractional Fermion Number through Heat Kernel methods and Edge States