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We study the properties of the Ginzburg-Laundau model in the self-dual point for a two-dimensional finite system . By a numerical calculation we analyze the solutions of the Euler-Lagrange equations for a cylindrically symmetric ansatz. We…

Superconductivity · Physics 2009-10-31 G. S. Lozano , M. V. Manias , E. F. Moreno

This paper is devoted to an analysis of vortex-nucleation for a Ginzburg-Landau functional with discontinuous constraint. This functional has been proposed as a model for vortex-pinning, and usually accounts for the energy resulting from…

Analysis of PDEs · Mathematics 2007-11-28 Ayman Kachmar

We consider minimizers $u_\varepsilon$ of the Ginzburg-Landau energy with quadratic divergence or curl penalization on a simply-connected two-dimensional domain $\Omega$. On the boundary, strong tangential anchoring is imposed. We prove a…

Analysis of PDEs · Mathematics 2025-11-07 Lia Bronsard , Andrew Colinet , Dominik Stantejsky , Lee van Brussel

Vortices are localized planar structures that attain topological stability and can be used to describe collective behavior in a diversity of situations of current interest in nonlinear science. In high energy physics, vortices engender…

High Energy Physics - Theory · Physics 2019-10-30 D. Bazeia , M. A. Liao , M. A. Marques , R. Menezes

We provide necessary and sufficient conditions for the uniqueness of minimisers of the Ginzburg-Landau functional for $\mathbb{R}^n$-valued maps under a suitable convexity assumption on the potential and for $H^{1/2} \cap L^\infty$ boundary…

Analysis of PDEs · Mathematics 2018-06-27 Radu Ignat , Luc Nguyen , Valeriy Slastikov , Arghir Zarnescu

The vortex state of mesoscopic three-dimensional superconductors is determined using a minimization procedure of the Ginzburg-Landau free energy. We obtain the vortex pattern for a mesoscopic superconducting sphere and find that vortex…

Superconductivity · Physics 2007-12-27 Mauro M. Doria , Antonio R. de C. Romaguera , F. M. Peeters

We consider the Ginzburg-Landau energy $E_\epsilon$ for $\mathbb{R}^M$-valued maps defined in a cylinder shape domain $B^N\times (0,1)^n$ satisfying a degree-one vortex boundary condition on $\partial B^N\times (0,1)^n$ in dimensions $M\geq…

Analysis of PDEs · Mathematics 2023-01-30 Radu Ignat , Mircea Rus

We study vortex nucleation for minimizers of a Ginzburg-Landau energy with discontinuous constraint. For applied magnetic fields comparable with the first critical field of vortex nucleation, we determine the limiting vorticities.

Analysis of PDEs · Mathematics 2008-07-09 Hassen Aydi , Ayman Kachmar

We prove that the degree-one vortex solution is the unique minimizer for the Ginzburg--Landau functional for gradient fields (that is, the Aviles--Giga model) in the unit ball $B^N$ in dimension $N \geq 4$ and with respect to its boundary…

Analysis of PDEs · Mathematics 2023-10-18 Radu Ignat , Mickael Nahon , Luc Nguyen

We consider a functional related with phase transition models in the Heisenberg group framework. We prove that level sets of local minimizers satisfy some density estimates, that is, they behave as "codimension one" sets. We thus deduce a…

Analysis of PDEs · Mathematics 2007-05-23 I. Birindelli , E. Valdinoci

Motivated by recent experiments on fermionic rings, we study the asymptotic behaviour of minimizers of the Ginzburg-Landau (GL) energy in an annulus with a Dirichlet data which depends on the GL parameter on the outer boundary. We show that…

Analysis of PDEs · Mathematics 2025-11-13 Amandine Aftalion , Rémy Rodiac

We investigate local minimizers of Ginzburg--Landau-type functionals in dimension $n\geq 3$ that satisfy logarithmic energy bounds, assuming the potential has a vacuum manifold with a finite fundamental group. We show that the normalized…

Analysis of PDEs · Mathematics 2026-05-07 Giacomo Canevari , Haotong Fu , Wei Wang

We determine the exact outer structure of the Abrikosov vortex in the extreme type-II limit, which occurs when the Ginzburg-Landau parameter $\kappa$ diverges. In this limit, Ginzburg-Landau theory simplifies, outside a shrinking core, to a…

Superconductivity · Physics 2026-05-27 Eugene B. Kolomeisky

Motivated by the construction of time-periodic solutions for the three-dimensional Landau-Lifshitz-Gilbert equation in the case of soft and small ferromagnetic particles, we investigate the regularity properties of minimizers of the…

Analysis of PDEs · Mathematics 2010-06-25 Alexander Huber

We present an analysis of the Ginzburg-Landau equations for the description of a two-dimensional superconductor in a bounded domain. Using the properties of a special integrability point of these equations which allows vortex solutions, we…

Mesoscale and Nanoscale Physics · Physics 2016-08-31 E. Akkermans , K. Mallick

We study solutions of the 2D Ginzburg-Landau equation -\Delta u+\frac{1}{\ve^2}u(|u|^2-1)=0 subject to "semi-stiff" boundary conditions: the Dirichlet condition for the modulus, |u|=1, and the homogeneous Neumann condition for the phase.…

Analysis of PDEs · Mathematics 2007-12-10 L. Berlyand , V. Rybalko

We study minimizers of the Lawrence--Doniach energy, which describes equilibrium states of superconductors with layered structure, assuming Floquet-periodic boundary conditions. Specifically, we consider the effect of a constant magnetic…

Analysis of PDEs · Mathematics 2010-09-09 Stan Alama , Lia Bronsard , Étienne Sandier

Vortex shedding is an important physical phenomenon observed across many spatial and temporal scales in fluids. Previous experimental and theoretical studies have established a hierarchy of local and global reduced-order models for vortex…

Fluid Dynamics · Physics 2024-11-14 Joseph J. Williams , Zachary G. Nicolaou , J. Nathan Kutz , Steven L. Brunton

We study the vortex distribution of the wave functions minimizing the Gross Pitaevskii energy for a fast rotating condensate in the Lowest Landau Level (LLL): we prove that the minimizer cannot have a finite number of zeroes thus the…

Other Condensed Matter · Physics 2009-11-11 Amandine Aftalion , Xavier Blanc , Francis Nier

Introducing nanoparticles into superconducting materials has emerged as an efficient route to enhance their current-carrying capability. We address the problem of optimizing vortex pinning landscape for randomly distributed metallic…

Superconductivity · Physics 2016-03-09 A. E. Koshelev , I. A. Sadovskyy , C. L. Phillips , A. Glatz