Calculation of nonzero-temperature Casimir forces in the time domain
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Pan-2011-Calculation of nonze.pdf
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Author(s)
Pan, Kai
McCauley, Alexander Patrick
Rodriguez-Wong, Alejandro
Reid, M. T. Homer
White, Jacob K.
Johnson, Steven G.
Date Issued
April 2011
Journal
Physical Review A
Publisher
American Physical Society
Citation
Pan, Kai et al. “Calculation of nonzero-temperature Casimir forces in the time domain.” Physical Review A 83 (2011). ©2011 American Physical Society.
Version
Final published version
Abstract
We show how to compute Casimir forces at nonzero temperatures with time-domain electromagnetic simulations, for example, using a finite-difference time-domain (FDTD) method. Compared to our previous zero-temperature time-domain method, only a small modification is required, but we explain that some care is required to properly capture the zero-frequency contribution. We validate the method against analytical and numerical frequency-domain calculations, and show a surprising high-temperature disappearance of a nonmonotonic behavior previously demonstrated in a pistonlike geometry.
MIT Department
Massachusetts Institute of Technology. Department of Electrical Engineering and Computer Science
Massachusetts Institute of Technology. Department of Mathematics
Massachusetts Institute of Technology. Department of Physics
Massachusetts Institute of Technology. Research Laboratory of Electronics
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Article is made available in accordance with the publisher's policy and may be subject to US copyright law. Please refer to the publisher's site for terms of use.
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DOI of Published Version
https://doi.org/10.1103/PhysRevA.83.040503
