Influence of Noise on Force Measurements

Details Influence of Noise on Force Measurements Influence of Noise on Force Measurements

2010-04-06

arxiv.org/abs/1004.0874v1

Phys Rev Lett (2010)

Physics

Condensed Matter

Soft Condensed Matter

4 Pages, 4 Figures, Accepted

Scientific paper

We demonstrate how the ineluctable presence of thermal noise alters the measurement of forces acting on microscopic and nanoscopic objects. We quantify this effect exemplarily for a Brownian particle near a wall subjected to gravitational and electrostatic forces. Our results demonstrate that the force measurement process is prone to artifacts if the noise is not correctly taken into account.

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