English
Related papers

Related papers: Interface pinning and slow ordering kinetics on in…

200 papers

We study a mixed heat and Schr\"odinger Ginzburg-Landau evolution equation on a bounded two-dimensional domain with an electric current applied on the boundary and a pinning potential term. This is meant to model a superconductor subjected…

Analysis of PDEs · Mathematics 2015-05-18 Sylvia Serfaty , Ian Tice

In the present paper we develop an algorithm to solve the time dependent Ginzburg-Landau (TDGL) equations, by using the link variables technique, for circular geometries. In addition, we evaluate the Helmholtz and Gibbs free energy, the…

Superconductivity · Physics 2009-11-13 Edson Sardella , Paulo Noronha Lisboa-Filho , Andre Luiz Malvezzi

This work analyzes bifurcation delay and front propagation in the one-dimensional real Ginzburg-Landau equation (RGLE) with periodic boundary conditions on monotonically growing or shrinking domains. First, we obtain closed-form expressions…

Pattern Formation and Solitons · Physics 2024-04-16 Troy Tsubota , Chang Liu , Benjamin Foster , Edgar Knobloch

The peculiar phase-ordering properties of a lattice of coupled chaotic maps studied recently (A. Lema\^\i tre & H. Chat\'e, {\em Phys. Rev. Lett.} {\bf 82}, 1140 (1999)) are revisited with the help of detailed investigations of interface…

Statistical Mechanics · Physics 2016-08-15 Julien Kockelkoren , Anaël Lemaître , Hugues Chaté

We study phase-ordering dynamics of a ferromagnetic system with a scalar order-parameter on fractal graphs. We propose a scaling approach, inspired by renormalization group ideas, where a crossover between distinct dynamical behaviors is…

Statistical Mechanics · Physics 2013-03-29 Raffaella Burioni , Federico Corberi , Alessandro Vezzani

The short-time dynamic evolution of an Ising model embedded in an infinitely ramified fractal structure with noninteger Hausdorff dimension was studied using Monte Carlo simulations. Completely ordered and disordered spin configurations…

Statistical Mechanics · Physics 2009-11-11 M. A. Bab , G. Fabricius , E. V. Albano

Critical fluctuations of some order parameter describing a fluid generates long-range forces between boundaries. Here, we discuss fluctuation-induced forces associated to a disordered Landau-Ginzburg model defined in a $d$-dimensional slab…

Disordered Systems and Neural Networks · Physics 2022-06-01 C. D. Rodríguez-Camargo , A. Saldivar , N. F. Svaiter

We study the Hall effect in square, planar type-II superconductors using numerical simulations of time dependent Ginzburg-Landau (TDGL) equations. The Hall field in some type-II superconductors displays sign-change behavior at some magnetic…

Superconductivity · Physics 2021-08-18 Vineet Punyamoorty , Aditya Malusare , Shamashis Sengupta , Sumiran Pujari , Kasturi Saha

We study of the formation of pattern-forming fronts in the presence of a rigidly-propagating parameter ramp which is slowly-varying in space. In the context of the prototypical supercritical complex Ginzburg-Landau equation, we show that…

Pattern Formation and Solitons · Physics 2026-05-26 Ryan Goh , Benjamin Krewson , Nilay Patel , Kiersten Ratcliff

A set of coupled time-dependent Ginzburg-Landau equations (TDGL) for superconductors of mixed d- and s-wave symmetry are derived microscopically from the Gor'kov equations by using the analytical continuation technique. The scattering…

Superconductivity · Physics 2009-10-31 Jian-Xin Zhu , W. Kim , C. S. Ting , Chia-Ren Hu

We study the hydrodynamics of superconductors within the framework of Schwinger-Keldysh Effective Field Theory. We show that in the vicinity of the superconducting phase transition the most general leading-order EFT satisfying the local…

Superconductivity · Physics 2023-05-02 Anton Kapustin , Luke Mrini

We study the time evolution of an N-component model of bicontinuous microemulsions based on a time dependent Ginzburg-Landau equation quenched from an high temperature uncorrelated state to the low temperature phases. The behavior of the…

Condensed Matter · Physics 2007-05-23 Umberto Marini Bettolo Marconi , Federico Corberi

The importance of simulating pinning arrays in superconducting samples for the increase of critical currents has been increasing in the last few years. Since the Time Dependent Ginzburg Landau (TDGL) can be more accurate than alternative…

Superconductivity · Physics 2026-04-06 E. R. Di Lascio

Globally conserved interface-controlled coarsening of fractal clusters exhibits dynamic scale invariance and normal scaling. This is demonstrated by a numerical solution of the Ginzburg-Landau equation with a global conservation law. The…

Disordered Systems and Neural Networks · Physics 2009-10-31 Avner Peleg , Massimo Conti , Baruch Meerson

We present results from a comprehensive analytical and numerical study of nonequilibrium dynamics in the 2-dimensional complex Ginzburg-Landau (CGL) equation. In particular, we use spiral defects to characterize the domain growth law and…

Statistical Mechanics · Physics 2009-11-07 Sanjay Puri , Subir K. Das , M. C. Cross

Conformable derivatives have attracted increasing interest for bridging classical and fractional calculus while retaining analytical tractability. However, their physical foundations remain underexplored. In this work, we provide a…

Statistical Mechanics · Physics 2025-07-08 José Weberszpil

Using the functional renormalization group (FRG) we study the thermal fluctuations of elastic objects, described by a displacement field u and internal dimension d, pinned by a random potential at low temperature T, as prototypes for…

Disordered Systems and Neural Networks · Physics 2009-11-10 Leon Balents , Pierre Le Doussal

We consider a Ginzburg-Landau type energy with a piecewise constant pinning term $a$ in the potential $(a^2 - |u|^2)^2$. The function $a$ is different from 1 only on finitely many disjoint domains, called the {\it pinning domains}. These…

Analysis of PDEs · Mathematics 2011-03-22 Mickaël Dos Santos , Oleksandr Misiats

Motivated by the recent shocking results from RHIC and LHC that show quark-gluon plasma signatures in small systems, we study a simple model of a massless, noninteracting scalar field confined with Dirichlet boundary conditions. We use this…

High Energy Physics - Theory · Physics 2021-01-06 Sylvain Mogliacci , Isobel Kolbé , W. A. Horowitz

We quantitatively describe the competition between the thermal fluctuations and the disorder using the Ginzburg -- Landau approach. Flux line lattice in type II superconductors undergoes a transition into three "disordered" phases: vortex…

Superconductivity · Physics 2007-05-23 Dingping Li , Baruch Rosenstein