English
Related papers

Related papers: Qualitative analysis of the eigenvalue problem for…

200 papers

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

After a brief introduction to the complex Ginzburg-Landau equation, some of its important features in two space dimensions are reviewed. A comprehensive study of the various phases observed numerically in large systems over the whole…

Pattern Formation and Solitons · Physics 2016-08-29 Hugues Chaté , Paul Manneville

In this article, we consider energy-critical complex Ginzburg-Landau equation in three and four dimensions. We give the dynamics when the energy of the initial data is equal to the energy of the stationary solution.

Analysis of PDEs · Mathematics 2024-02-29 Xing Cheng , Yunrui Zheng

In this paper, we look at a linear system of ordinary differential equations as derived from the two-dimensional Ginzburg-Landau equation. In two cases, it is known that this system admits bounded solutions coming from the invariance of the…

Analysis of PDEs · Mathematics 2019-09-30 Anne Beaulieu

In this paper, the coupled fractional Ginzburg-Landau equations are first time investigated numerically. A linearized implicit finite difference scheme is proposed. The scheme involves three time levels, is unconditionally stable and…

Numerical Analysis · Mathematics 2018-06-01 Dongdong He , Kejia Pan

We present a new approach to compute selected eigenvalues and eigenvectors of the two-parameter eigenvalue problem. Our method requires computing generalized eigenvalue problems of the same size as the matrices of the initial two-parameter…

Numerical Analysis · Mathematics 2021-05-12 Henrik Eisenmann , Yuji Nakatsukasa

We consider the complex Ginzburg-Landau equation with two pure-power nonlinearities and a damping term. After proving a general global existence result, we focus on the existence and stability of several periodic orbits, namely the trivial…

Analysis of PDEs · Mathematics 2020-11-09 Simão Correia , Mário Figueira

This paper addresses the problem of recovering the spatial profile of the source in the complex Ginzburg-Landau equation from regional observation data at fixed times. We establish two types of sufficient measurements for the unique…

Analysis of PDEs · Mathematics 2025-07-28 Xing Cheng , Zhiyuan Li , Mengmeng Zhang , Xuezhao Zhang

Coupled Complex Ginzburg-Landau equations describe generic features of the dynamics of coupled fields when they are close to a Hopf bifurcation leading to nonlinear oscillations. We study numerically this set of equations and find, within a…

Chaotic Dynamics · Physics 2009-10-31 Raul Montagne , Emilio Hernandez-Garcia

We construct nonminimal and irreducible solutions to the Ginzburg-Landau equations on closed manifolds of arbitrary dimension with trivial first real cohomology. Our method uses bifurcation theory where the "bifurcation points" are…

Analysis of PDEs · Mathematics 2023-04-21 Ákos Nagy , Gonçalo Oliveira

We study Ginzburg-Landau equations for a complex vector order parameter. We consider the Dirichlet problem in the disk in the plane with a symmetric, degree-one boundary condition, and study its stability, in the sense of the spectrum of…

Analysis of PDEs · Mathematics 2013-08-06 Stan Alama , Qi Gao

The modified Ginzburg-Landau equations are used to study some fundamental problems for the high temperature superconductors. The derivations of these fundamental equations are summarized and the layered features of the sample were taken…

Superconductivity · Physics 2009-11-10 L. N. Shehata , H. M. Taha

This paper gives a complete description of the solutions of the one dimensional Ginzburg-Landau equations which model superconductivity phenomena in infinite slabs. We investigate this problem over the entire range of physically important…

Superconductivity · Physics 2009-10-31 Amandine Aftalion , William C. Troy

The time dependent Ginzburg-Landau equation for a two-dimensional granular shear flow is numerically solved, where we study both the transient dynamics and the steady state of the order parameter. The structural changes of the numerical…

Soft Condensed Matter · Physics 2015-06-11 Kuniyasu Saitoh , Hisao Hayakawa

We address the count of isolated and embedded eigenvalues in a generalized eigenvalue problem defined by two self-adjoint operators with a positive essential spectrum and a finite number of isolated eigenvalues. The generalized eigenvalue…

Dynamical Systems · Mathematics 2007-05-23 M. Chugunova , D. Pelinovsky

In this paper, two methods are employed to investigate for which values of the parameters, if any, the two-dimensional real Landau-Ginzburg equation possesses the Painleve property. For an ordinary differential equation to have the Painleve…

solv-int · Physics 2008-02-03 Daniel Stubbs

There is recent interest in the inter and intra element interactions of metamaterial unit cells. To calculate the effects of these interactions which can be substantial, an ab initio general coupled mode equation, in the form of an…

Other Condensed Matter · Physics 2015-06-05 Sameh Y. Elnaggar , Richard Tervo , Saba M. Mattar

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

Coupled Ginzburg-Landau equations appear in a variety of contexts involving instabilities in oscillatory media. When the relevant unstable mode is of vectorial character (a common situation in nonlinear optics), the pair of coupled…

Pattern Formation and Solitons · Physics 2009-11-07 M. Hoyuelos , E. Hernandez-Garcia , P. Colet , M. San Miguel

We study the structure of vortex solutions in a Ginzburg-Landau system for two complex valued order parameters. We consider the Dirichlet problem in the disk in R^2 with symmetric, degree-one boundary condition, as well as the associated…

Analysis of PDEs · Mathematics 2012-11-27 Stan Alama , Lia Bronsard , Petru Mironescu
‹ Prev 1 2 3 10 Next ›