Temperature dependence of the Casimir force for bulk lossy media

Journal Article · Wed Sep 15 00:00:00 EDT 2010 · Physical Review. A

DOI:https://doi.org/10.1103/PHYSREVA.82.032511· OSTI ID:21454790

Yampol'skii, V A; Maizelis, Z A; Apostolov, S S ^[1]; Savel'ev, Sergey ^[1]; Nori, Franco ^[1]

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1. Advanced Science Institute, RIKEN, Saitama 351-0198 (Japan)

We discuss the limitations for the applicability of the Lifshitz theory to describe the temperature dependence of the Casimir force between bulk lossy metal slabs of finite sizes. We pay attention to the important fact that Lifshitz's theory is not applicable when the characteristic wavelength of the fluctuating field, responsible for the temperature-dependent terms in the Casimir force, are longer than the size of the sample. As a result, the widely discussed linearly decreasing temperature dependence of the Casimir force can be observed only for dirty and large metal samples at high enough temperatures. Moreover, for the correct description of the Casimir effect at low enough temperatures, a careful consideration of the concrete geometry of the interacting samples is essential.

• OSTI ID: 21454790
• Journal Information: Physical Review. A, Vol. 82, Issue 3; Other Information: DOI: 10.1103/PhysRevA.82.032511; (c) 2010 The American Physical Society; ISSN 1050-2947
• Country of Publication: United States
• Language: English

Related Subjects

36 MATERIALS SCIENCE
CASIMIR EFFECT
ELECTROMAGNETIC FIELDS
ELECTROMAGNETIC INTERACTIONS
METALS
SLABS
TEMPERATURE DEPENDENCE
WAVELENGTHS
BASIC INTERACTIONS
ELEMENTS
INTERACTIONS