American Physical Society, Physical review B, 10(85)
DOI: 10.1103/physrevb.85.100409
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Phase locking dynamics of dipolarly coupled vortices excited by spin-polarized current in two identical nanopillars is studied as a function of the interpillar distance L. Numerical study and analytical model have proved the remarkable efficiency of magneto-static interaction to achieve phase locking. Investigating the dynamics in the transient regime towards phase locking, we extract the evolution of the locking time τ, the coupling strength {μ} and the interaction energy W. Finally, we compare this coupling energy with the one obtained by simple model. ; Comment: 4 pages, 4 figures