Orientation dependence of Casimir forces
Author(s)Emig, Thorsten; Graham, Noah; Jaffe, Robert L.; Kardar, Mehran
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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.
DepartmentMassachusetts Institute of Technology. Center for Theoretical Physics; Massachusetts Institute of Technology. Department of Physics; Massachusetts Institute of Technology. Research Laboratory of Electronics
Physical Review A
American Physical Society
Emig, T. et al. “Orientation dependence of Casimir forces.” Physical Review A 79.5 (2009): 054901. © 2009 The American Physical Society.
Final published version