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We generalize known results on transport equations associated to a Lipschitz field $\mathbf{F}$ on some subspace of $\mathbb{R}^N$ endowed with some general space measure $\mu$. We provide a new definition of both the transport operator and…

Analysis of PDEs · Mathematics 2009-01-24 Luisa Arlotti , Jacek Banasiak , Bertrand Lods

We study the minimizers of the Ginzburg-Landau energy functional with a constant magnetic field in a three dimensional bounded domain. The functional depends on two positive parameters, the Ginzburg-Landau parameter and the intensity of the…

Analysis of PDEs · Mathematics 2015-11-30 Marwa Nasrallah , Ayman Kachmar

In this paper, complex Ginzburg-Landau (CGL) equations governed by p-Laplacian are studied. We discuss the global existence of solutions for the initial-boundary value problem of the equation in general domains. The global solvability of…

Analysis of PDEs · Mathematics 2018-05-14 Takanori Kuroda , Mitsuharu Ôtani

The Graetz problem is a convection-diffusion equation in a pipe invariant along a direction. The contribution of the present work is to propose a mathematical analysis of the Neumann, Robin and periodic boundary condition on the boundary of…

Numerical Analysis · Mathematics 2018-03-05 Valention Debarnot , Jérôme Fehrenbach , Frédéric de Gournay , Léo Martire

We study the Ginzburg-Landau functional describing an extreme type-II superconductor wire with cross section with finitely many corners at the boundary. We derive the ground state energy asymptotics up to $ o(1) $ errors in the surface…

Mathematical Physics · Physics 2021-11-04 Michele Correggi , Emanuela L. Giacomelli

Superconducting states of an anisortopic s-wave superconductor on a M\"obius strip are studied numerically based on the Ginzburg-Landau theory and the Bogoliubov-de Gennes theory. In both, the equations are solved numerically on discitized…

Superconductivity · Physics 2015-06-25 Masahiko Hayashi , Hiromichi Ebisawa , Kazuhiro Kuboki

We consider the Ginzburg-Landau functional defined over a bounded and smooth three dimensional domain. Supposing that the magnetic field is comparable with the second critical field and that the Ginzburg-Landau parameter is large, we…

Analysis of PDEs · Mathematics 2011-09-08 S. Fournais , A. Kachmar

We consider the elliptic and parabolic superquadratic diffusive Hamilton-Jacobi equations with homogeneous Dirichlet conditions. For the elliptic problem in a half-space, we prove a Liouville-type classification, or symmetry result, which…

Analysis of PDEs · Mathematics 2025-04-30 Roberta Filippucci , Patrizia Pucci , Philippe Souplet

The Ginzburg-Landau equations are solved for ideally periodic vortex lattices in superconducting films of arbitrary thickness in a perpendicular magnetic field. The order parameter, current density, magnetic moment, and the 3-dimensional…

Superconductivity · Physics 2009-11-10 Ernst Helmut Brandt

In this paper, we consider the smooth map from a Riemannian manifold to the standard Euclidean space and the p-Ginzburg-Landau energy. Under suitable curvature conditions on the domain manifold, some Liouville type theorems are established…

Differential Geometry · Mathematics 2016-10-21 Tian Chong , Bofeng Cheng , Yuxin Dong , Wei Zhang

This paper investigates the link between the Maximum Principle and the sign of the (generalized) principal eigenvalue for elliptic operators in unbounded domains. Our approach covers the cases of Dirichlet, Neumann, and (indefinite) Robin…

Analysis of PDEs · Mathematics 2021-02-16 Samuel Nordmann

In the asymptotic limit of a large Ginzburg-Landau parameter, we give a new asymptotic formula for the $L^2$-norm of the Ginzburg-Landau order parameter. The formula is valid in the bulk regime where the intensity of the applied magnetic…

Analysis of PDEs · Mathematics 2018-11-13 Bernard Helffer , Ayman Kachmar

We provide the detailed calculation of a general form for Maxwell and London equations that takes into account gravitational corrections in linear approximation. We determine the possible alteration of a static gravitational field in a…

General Relativity and Quantum Cosmology · Physics 2020-11-11 Giovanni Alberto Ummarino , Antonio Gallerati

This paper considers the extreme type-II Ginzburg-Landau equations, a nonlinear PDE model that describes the states of a wide range of superconductors. For two-dimensional grids, a robust method is developed that performs a numerical…

Dynamical Systems · Mathematics 2019-03-07 Michiel Wouters , Wim Vanroose

We investigate magnetic properties of color superconducting quark matter within a Ginzburg-Landau approach. The simultaneous coupling of the quark fields to gluonic and electromagnetic gauge fields leads to rotated electromagnetism with a…

Nuclear Theory · Physics 2007-05-23 D. Blaschke , D. Sedrakian

We prove that positive solutions of the Lane-Emden equation in a two-dimensional smooth bounded domain are uniformly bounded for all large exponents.

Analysis of PDEs · Mathematics 2018-04-02 Nikola Kamburov , Boyan Sirakov

The existence and stability of collisional kinetic equation, especially non-cutoff Boltzmann equation, in bounded domain with physical boundary condition is longstanding open problem. This work proves the global stability of the Landau…

Analysis of PDEs · Mathematics 2021-06-09 Dingqun Deng

We present an improved analysis of the phase transitions in rare earth superconductor using Ginzburg-Landau theory. Our work is based on the systematic study of critical field and superconducting order parameter in the presence of localized…

Materials Science · Physics 2021-01-19 Preeti Suman Dash , Salila Das , Prabir K. Mukherjee

We derive a Ginzburg-Landau free energy for a p-wave ferromagnetic superconductor. The starting point is a microscopic Hamiltonian including a spin generalised BCS term and a Heisenberg exchange term. We find that coexistence of…

Superconductivity · Physics 2007-08-21 E. K. Dahl , A. Sudbo

For a class of generalized Hubbard models, we determine the maximal stability region for the superconducting eta-pairing ground state. We exploit the Optimized Ground State (OGS) approach and the Lanczos diagonalization procedure to derive…

Superconductivity · Physics 2009-10-31 Matteo Beccaria