No anomalous scaling in electrostatic calibrations for Casimir force measurements
arXiv:0809.3858 · doi:10.1103/PhysRevA.79.024102
Abstract
In a recent paper (Phys.Rev.A78, 020101(R) (2008)), Kim at al. have reported a large anomaly in the scaling law of the electrostatic interaction between a sphere and a plate, which was observed during the calibration of their Casimir force set-up. Here we experimentally demonstrate that in proper electrostatic calibrations the scaling law follows the behavior expected from elementary electrostatic arguments, even when the electrostatic voltage that one must apply to minimize the force (typically ascribed to contact potentials) depends on the separation between the surfaces.
Final version
References in corpus (4)
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- Effect of hydrogen-switchable mirrors on the Casimir force
- Anomalies in electrostatic calibrations for the measurement of the Casimir force in a sphere-plane geometry
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