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Lorentz force and radiation pressure on a spherical cloak

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Lorentz force and radiation pressure on a spherical cloak

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Title: Lorentz force and radiation pressure on a spherical cloak
Author: Chen, Hongsheng; Zhang, Baile; Luo, Yu; Kemp, Brandon A.; Zhang, Jingjing; Ran, Lixin; Wu, Bae-Ian
Copyright year: 2009
Abstract: The mechanical behavior of a transformation based spherical cloak under wave illumination is derived. We show that the equatorial region of the cloak is subject to much higher stress than the polar regions, where the polar axis is defined along the wave propagation direction. These forces do not exist before transformation but stem from the squeezed electromagnetic space. The trajectory of the ray can be interpreted as a result of the recoil force that the cloak exerts upon the ray. The total radiation pressure on an ideal cloak is shown to be exactly zero, effecting a stationary cloak.
Subject: DRNTU::Science::Mathematics
Type: Journal Article
Series/ Journal Title: Physical review A
School: School of Physical and Mathematical Sciences
Rights: © 2009 The American Physical Society. This paper was published in Physical Review A and is made available as an electronic reprint (preprint) with permission of The American Physical Society. The paper can be found at the following official DOI: http://dx.doi.org/10.1103/PhysRevA.80.011808.  One print or electronic copy may be made for personal use only. Systematic or multiple reproduction, distribution to multiple locations via electronic or other means, duplication of any material in this paper for a fee or for commercial purposes, or modification of the content of the paper is prohibited and is subject to penalties under law.
Version: Published version

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