Universality versus material dependence of fluctuation forces between metallic wires

Abstract

We calculate the Casimir interaction between two parallel wires and between a wire and a metall plate. The dielectric properties of the objects are described by the plasma, Drude and perfect metal models. We find that at asymptotically large separation interactions involving plasma wires and/or plates are independent of the material properties, but depend on the dc conductivity $\sigma$ for Drude wires. Counterintuitively, at intermediate separations the interaction involving Drude wires can become independent of $\sigma$. At smaller separations, we compute the interaction numerically and observe an approach to the proximity approximation.

References in corpus (4)

• The Casimir effect for a sphere and a cylinder in front of plane and corrections to the proximity force theorem
• van der Waals Interactions Between Thin Metallic Wires and Layers
• Numerical evaluation of the Casimir interaction between cylinders
• Geothermal Casimir phenomena for the sphere-plate and cylinder-plate configurations

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