Problems in the Lifshitz Theory of Atom-Wall Interaction

Details Problems in the Lifshitz Theory of Atom-Wall Interaction Problems in the Lifshitz Theory of Atom-Wall Interaction

2009-04-30

arxiv.org/abs/0904.4892v1

Int. J. Mod. Phys. A, Vol. 24, Nos. 8 & 9, p. 1777- 1788 (2009)

Physics

Quantum Physics

12 pages, 2 figures, style file ws-ijmpa.cls is used

Scientific paper

Problems in the Lifshitz theory of atom-wall interaction arise when the dc conductivity of dielectric wall is included into the model of the dielectric response. We review the low-temperature behavior of the free energy and entropy of dispersion interaction for both dielectric and metallic walls. Consistency of the obtained results with thermodynamics and experimental data is analyzed. Recent attempts to include the screening effects and diffusion currents into the Lifshitz theory are considered. It is shown that this leads to the violation of the Nernst heat theorem for wide classes of wall materials. The physical reasons for the emergence of thermodynamic and experimental inconsistencies are elucidated.

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