Forces between conducting surfaces due to spatial variations of surface potential.
作者： C. C. Speake , C. Trenkel
DOI: 10.1103/PHYSREVLETT.90.160403
关键词: Body force 、 Numerical analysis 、 Surface (mathematics) 、 Contact force 、 Classical mechanics 、 Electrostatics 、 Physics 、 Casimir effect 、 Electrostatic force microscope 、 Conservative force 、 Mechanics
摘要: We describe analytical and numerical methods for calculating forces between conductors due to variations of electrostatic surface potential across their surfaces. In the simple case where spatial variation gives rise uniform power spectra, we show that force can be large in comparison with, scale approximately same way with distance closest approach as, Casimir force. Patch potentials are consistent existing experimental data could give a magnitude 4% at separations 0.1 microm.
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