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Cloaking with Curved Spaces

  1. Jan 11, 2009 #1

    AEM

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    The 2 January issue of Science has two articles that might be of interest to readers of this forum. The primary article is "Broadband Invisibility by Non-Euclidean Cloaking" by Leonhardt and Tyc. The second is a perspectives commentary about that article, "Cloaking with Curved Spaces" by Nicolet and Zolla.

    In summary: It's been shown that geometric transformations of space can distort light beams so that they avoid a bounded region, and any geometric transformation of space can be translated into optical properties. The problem then becomes how can one build materials with the required optical properties.
     
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