Stochastic Resonance and Nonlinear Response by NMR Spectroscopy
L. Viola, E. M. Fortunato, S. Lloyd, C. -H. Tseng, D. G. Cory
Abstract
We revisit the phenomenon of quantum stochastic resonance in the regime of validity of the Bloch equations. We find that a stochastic resonance behavior in the steady-state response of the system is present whenever the noise-induced relaxation dynamics can be characterized via a single relaxation time scale. The picture is validated by a simple nuclear magnetic resonance experiment in water.
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