Nonlinear Flux Diffusion and ac Susceptibility of Superconductors - Exact Numerical Results

Z. Kozioł, R. A. Dunlap

The ac response of a slab of material with electrodynamic characteristics $E\sim j^{\kappa +1}$, $\kappa \ge 0$, is studied numerically. From the solutions of the nonlinear diffusion equation,…