Abstract

We analytically solve the Landau-Lifshitz-Gilbert equation with the addition of the spin-torque term proposed by Slonczewski [J. Magn. Magn. Mater. 159, L1 (1996)] for the case of external magnetic field perpendicular to the sample plane. By using methods of nonlinear dynamical system theory we construct the complete stability diagram of the spin-torque-driven dynamics in the field-current control plane. Our predictions are compared with recent experimental results.

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