Little-Parks effect and multiquanta vortices in a hybrid superconductor--ferromagnet system
arXiv:cond-mat/0305551 · doi:10.1088/0953-8984/15/38/024
Abstract
Within the phenomenological Ginzburg-Landau theory we investigate the phase diagram of a thin superconducting film with ferromagnetic nanoparticles. We study the oscillatory dependence of the critical temperature on an external magnetic field similar to the Little-Parks effect and formation of multiquantum vortex structures. The structure of a superconducting state is studied both analytically and numerically.
7 pages, 1 figure. Submitted to J. Phys.: Condens. Matt