Noise-activated switching in a driven nonlinear micromechanical oscillator
Noise-activated switching in a driven nonlinear micromechanical oscillator
We study noise induced switching in systems far from equilibrium by using an underdamped micromechanical torsional oscillator driven into the nonlinear regime. Within a certain range of driving frequencies, the oscillator possesses two stable dynamical states with different oscillation amplitudes. We induce the oscillator to escape from one dynamical state …