Instability in the magnetic field penetration in type II superconductors

Quasi-local action of curl-less vector potential on vortex dynamics in superconductors

“…In the gapless regime ( 0   ) this equation coincides with those used by other researchers (see, e.g., [6,7]). We note in passing that the application of TDGL equations does not require one to be in the gapless regime.…”