Interaction of linear waves and moving Josephson vortex lattices in layered superconductors

TL;DR

This paper develops a comprehensive phenomenological theory for the interaction of Josephson vortices with linear waves in layered high-Tc superconductors, revealing resonances in current-voltage characteristics through numerical simulations.

Contribution

It introduces a unified hydrodynamic model that accounts for vortex interactions with electromagnetic, electronic, and phonon waves, extending previous simpler models.

Findings

Resonances observed in current-voltage characteristics due to vortex-wave interactions

Numerical simulations demonstrate excitation of various linear waves by moving vortices

The theory generalizes earlier models, providing a comprehensive framework for layered superconductors.

Abstract

A general phenomenological theory describing dynamics of Josephson vortices coupled to wide class of linear waves in layered high-T$_c$ superconductors is developed. The theory is based on hydrodynamic long wave approximation and describes interaction of vortices with electromagnetic, electronic and phonon degrees of freedom on an equal footing. In the limiting cases the proposed theory degenerates to simple models considered earlier. In the framework of the suggested model we undertook the numerical simulation of resistive state in layered superconductors placed in external magnetic field and demonstrate excitation of linear waves of various origin by a moving vortex lattice, manifesting in existence of resonances on current-voltage characteristics.