Phys. Rev. A 72, 022102 (2005) [5 pages]Casimir torque between two birefringent platesReceived 5 May 2005; published 4 August 2005 The vacuum energy between two birefringent plates was calculated using the quantized surface mode technique. And an analytical approximate expression of Casimir torque was obtained in the retarded limit, which is found to vary as sin(2φ) with φ, the angle between the two optical axes. This result is a supplement to the numerical calculation obtained by Munday, Iannuzzi, Barash and Capasso Phys. Rev. A. 71 042102 (2005)]. © 2005 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevA.72.022102
DOI:
10.1103/PhysRevA.72.022102
PACS:
12.20.Ds, 12.20.−m, 03.70.+k, 77.22.Ch
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