Dynamics of skyrmions and edge states in the resistive regime of mesoscopic \emph{p}-wave superconductors

TL;DR

This paper investigates the dynamic behavior of skyrmions and edge states in mesoscopic p-wave superconductors under current, revealing unique signatures that distinguish them from conventional vortices, especially in the resistive regime.

Contribution

It provides new insights into the dynamics of skyrmions and edge states in p-wave superconductors using time-dependent Ginzburg-Landau equations, highlighting their distinct behavior from conventional vortices.

Findings

Skyrmions and edge states exhibit unique dynamics in the resistive regime.

Distinct behaviors of skyrmions and edge states serve as fingerprints for p-wave superconductivity.

Three regimes (stationary, resistive, normal) are identified in the superconductor's response.

Abstract

In a mesoscopic sample of a chiral $p\,$-wave superconductor, novel states comprising skyrmions and edge states have been stabilized in out-of-plane applied magnetic field. Using the time-dependent Ginzburg-Landau equations we shed light on the dynamic response of such states to an external applied current. Three different regimes are obtained, namely, the superconducting (stationary), resistive (non-stationary) and normal regime, similarly to conventional $s$-wave superconductors. However, in the resistive regime and depending on the external current, we found that moving skyrmions and the edge state behave distinctly different from the conventional kinematic vortex, thereby providing new fingerprints for identification of $p\,$-wave superconductivity.