Reply to "Comment on 'Precision measurement of the Casimir-Lifshitz force in a fluid'"

Abstract

We have reviewed the Comment of Geyer et al. [arXiv:0708.1548] concerning our recent work [Phys. Rev. A 75, 060102 (R) (2007)], and while we disagree with their criticisms, we acknowledge them for giving us the opportunity to add interesting addition material and a more detailed description of our experiment. We describe further our calculation and explain why a more sophisticated model is not warranted. We also present detailed experiments on the effects of electrostatic forces in our measurements and show that the contribution due to work function differences is small and that the residual electrostatic force is dominated by trapped charges and external fields. Finally, we estimate the effect of double layer interactions. These additional calculations and measurements support our original conclusion that the experimental results are consistent with the Lifshitz theory.

References in corpus (7)

• Precision Measurement of the Casimir Force from 0.1 to 0.9 microns
• Measurement of the Casimir force between parallel metallic surfaces
• Template-stripped gold surfaces with 0.4 nm rms roughness suitable for force measurements. Application to the Casimir force in the 20-100 nm range
• Observation of the skin-depth effect on the Casimir force between metallic surfaces
• Precision measurement of the Casimir-Lifshitz force in a fluid
• Sample dependence of the Casimir forces
• Comment on ``Precision measurement of the Casimir-Lifshitz force in a fluid''

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• The Casimir force between real materials: experiment and theory
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• Electric Levitation Using Epsilon-Near-Zero Metamaterials
• Crossover from Attractive to Repulsive Casimir Forces and Vice Versa
• Measurement of the Casimir force in a gas and in a liquid
• Jamming and Correlation Patterns in Traffic of Information on Sparse Modular Networks
• Sensitivity and accuracy of Casimir force measurements in air
• Variations of the Lifshitz-van der Waals force between metals immersed in liquids