The Casimir Interaction Between Real-Metal Plates at Zero Temperature
This chapter considers both analytical calculations of Casimir energies and forces between real metal plates and numerical computations using tabulated optical data for the complex index of refraction of metals. Comparison between the results of analytical and numerical computations permits one to infer the main properties of metals that affect the Casimir force, and how they enter into the Lifshitz theory. Calculations have been done with the help of the dielectric permittivity of the plasma model, the Drude model, and the generalized plasma-like model. The concept of the Leontovich surface impedance, related boundary conditions, and the application region of the impedance approach are also discussed. The chapter should be considered as a preparation for Chapter 14, where the complicated problem of the thermal Casimir force between real metal plates is considered.
Keywords: Drude model, plasma model, generalized plasma-like model, plasma frequency, characteristic frequency, Leontovich surface impedance, Kramers–Kronig relations, normal skin effect, anomalous skin effect, infrared optics
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