Poisson noise induced switching in driven micromechanical resonators

Details Poisson noise induced switching in driven micromechanical resonators Poisson noise induced switching in driven micromechanical resonators

2011-02-06

arxiv.org/abs/1102.1151v1

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

submitted to PRL

Scientific paper

We study Poisson-noise induced switching between coexisting vibrational states in driven nonlinear micromechanical resonators. In contrast to Gaussian noise induced switching, the measured logarithm of the switching rate is proportional not to the reciprocal noise intensity, but to its logarithm, for fixed pulse area. We also find that the switching rate logarithm varies as a square root of the distance to the bifurcation point, instead of the conventional scaling with exponent 3/2.

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