Lateral Casimir force beyond the proximity force approximation: A nontrivial interplay between geometry and quantum vacuum
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The lateral Casimir force beyond the proximity force approximation : a nontrivial interplay between geometry and quantum vacuum
The lateral Casimir force between two corrugated metallic plates makes possible a study of the nontrivial interplay of geometry and Casimir effect appearing beyond the regime of validity of the Proximity Force Approximation (PFA). Quantitative evaluations can be obtained by using scattering theory in a perturbative expansion valid when the corrugation amplitudes are smaller than the three other...
متن کاملLateral Casimir force beyond the proximity-force approximation.
We argue that the appropriate variable to study a nontrivial geometry dependence of the Casimir force is the lateral component of the Casimir force, which we evaluate between two corrugated metallic plates outside the validity of the proximity-force approximation. The metallic plates are described by the plasma model, with arbitrary values for the plasma wavelength, the plate separation, and th...
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The analysis of all Casimir force experiments using a sphere-plate geometry requires the use of the proximity-force approximation (PFA) to relate the Casimir force between a sphere and a flat plate to the Casimir energy between two parallel plates. Because it has been difficult to assess the PFA's range of applicability theoretically, we have conducted an experimental search for corrections to ...
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– We calculate the roughness correction to the Casimir effect as a second order perturbation of the parallel plates geometry. The metallic plates are described by the plasma model, with arbitrary values for the plasma wavelength, the plate separation and the roughness spectrum. The roughness correction is always larger than the result obtained in the Proximity Force Approximation. We derive sca...
متن کاملGeometry Dependence of Casimir Forces beyond the Proximity Approximation
Casimir interactions between macroscopic objects are strongly influenced by their geometrical features as shape and orientation as well as by their material properties. The effect of geometry is commonly obtained from the proximity approximation (PA). Here we present a path integral quantization for the electromagnetic field in the presence of deformed metallic surfaces. From the resulting effe...
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ژورنال
عنوان ژورنال: Physical Review A
سال: 2007
ISSN: 1050-2947,1094-1622
DOI: 10.1103/physreva.75.062108