Vortex dissipation and level dynamics for the layered superconductors with impurities

Abstract

We study parametric level statistics of the discretized excitation spectra inside a moving vortex core in layered superconductors with impurities. The universal conductivity is evaluated numerically for the various values of rescaled vortex velocities $\kappa$ from the clean case to the dirty limit case. The random matrix theoretical prediction is verified numerically in the large $\kappa$ regime. On the contrary in the low velocity regime, we observe ${\sigma }_{xx}\propto {\kappa }^{2/3}$ which is consistent with the theoretical result for the super-clean case, where the energy dissipation is due to the Landau-Zener transition which takes place at the points called ``avoided crossing''.

10 pages, 4 figures, REVTeX3.1

References in corpus (5)

• Global versus local billiard level dynamics: The limits of universality
• Resistance of Layered Superclean Superconductors at Low Temperatures
• Level statistics inside the vortex of a superconductor and symplectic random matrix theory in an external source
• Vortex Density of States and Absorption in Clean Layered Superconductors
• Level statistics inside the core of a superconductive vortex