Journal
PHYSICAL REVIEW A
Volume 79, Issue 5, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevA.79.054901
Keywords
Casimir effect; quantum electrodynamics
Categories
Funding
- DFG [EM70/3]
- NSF [DMR-08-03315, PHY05-51164]
- Research Corporation [PHY-0555338]
- U.S. Department of Energy under cooperative research agreement [DF-FC02-94ER40818]
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The Casimir interaction between two objects, or between an object and a plane, depends on their relative orientations. We make these angular dependences explicit by considering prolate or oblate spheroids. The variation with orientation is calculated exactly at asymptotically large distances for the electromagnetic field and at arbitrary separations for a scalar field. For a spheroid in front of a mirror, the leading term is orientation independent, and we find the optimal orientation from computations at higher order.
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