Journal
PHYSICAL REVIEW A
Volume 79, Issue 4, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevA.79.040101
Keywords
Casimir effect; dielectric function; dielectric materials; inhomogeneous media; random media
Categories
Funding
- National Science Foundation [PHY05-51164]
- Institut Universtaire de France
- Agency for Research and Development of Slovenia [P1-0055C, Z1-7171, L2-7080]
- Intramural Research Program of the NIH, National Institute of Child Health and Human Development
- Science and Technology Facilities Council [ST/G000581/1] Funding Source: researchfish
- STFC [ST/G000581/1] Funding Source: UKRI
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We study the thermal Casimir effect between two thick slabs composed of plane-parallel layers of random dielectric materials interacting across an intervening homogeneous dielectric. It is found that the effective interaction at long distances is self-averaging and is given by a description in terms of effective dielectric functions. The behavior at short distances becomes random (sample dependent) and is dominated by the local values of the dielectric function proximal to each other across the dielectrically homogeneous slab.
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