Large vorticity stable solutions to the Ginzburg-Landau equations

Details Large vorticity stable solutions to the Ginzburg-Landau equations Large vorticity stable solutions to the Ginzburg-Landau equations

2011-09-08

arxiv.org/abs/1109.1837v1

Mathematics

Analysis of PDEs

22 pages

Scientific paper

We construct local minimizers to the Ginzburg-Landau functional of superconductivity whose number of vortices N is prescribed and blows up as the parameter epsilon, inverse of the Ginzburg-Landau parameter kappa, tends to zero. We treat the case of N as large as log epsilon, and a wide range of intensity of external magnetic field. The vortices of our solutions arrange themselves with uniform density over a subregion of the domain bounded by a "free boundary" determined via an obstacle problem, and asymptotically tend to minimize the "Coulombian renormalized energy" W introduced in [14]. The method, inspired by [22], consists in minimizing the energy over a suitable subset of the functional space, and in showing that the minimum is achieved in the interior of the subset. It also relies heavily on refined asymptotic estimates for the Ginzburg-Landau energy obtained in [14].

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