The Nonequilibrium Dynamics of Driven Line Liquids

TL;DR

This paper investigates the nonequilibrium behavior of flux lines in superconductors under external drive, revealing a transition from smooth to turbulent dynamics with increasing current, and draws analogies to diffusion and interface growth.

Contribution

It introduces a detailed analysis of phase transition in driven flux lines, highlighting the transition from laminar to turbulent flow in nonequilibrium conditions.

Findings

Transition from laminar to turbulent phase with increased drive

Analogies to driven diffusion and interface growth

Characterization of nonequilibrium flux line dynamics

Abstract

We study the nonequilibrium dynamics of line liquids as realized in the nonlinear motion of flux lines of a superconductor driven by an applied electric current. Our analysis suggests a transition in the dynamics of the lines from a smooth, laminar phase at small driving forces, to a rough, turbulent phase when the drive is increased. We explore the nature of these phases and describe interesting analogies to driven diffusion and growing interfaces.