Magnetic vortex gyration mediated by point-contact position
Li Hua-Nan, Fan Zi-Wei, Li Jia-Xin, Hu Yue, Liu Hui-Lian
       

Plots of excitation time versus (a) j for Rd=0.1 and three different values of group of R and L, and (b) Rd for three different values of group of R, L, and j.