Anomalous Scaling Dimensions and Stable Charged Fixed Point of Type-II Superconductors
J. Hove, A. Sudbø
DOI 10.1103/PhysRevLett.84.3426 · Physical Review Letters
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Abstract
The critical properties of a type-II superconductor model are investigated using a dual vortex representation. Computing the propagators of gauge field A and dual gauge field h in terms of a vortex correlation function, we obtain the values ηA=1 and ηh=1 for their anomalous dimensions. This provides support for a dual description of the Ginzburg-Landau theory of type-II superconductors in the continuum limit, as well as for the existence of a stable charged fixed point of the theory, not in the 3D XY universality class.
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