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Elsevier, Photonics and Nanostructures - Fundamentals and Applications, 4(12), p. 312-318, 2014

DOI: 10.1016/j.photonics.2014.05.001

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Analogue transformation acoustics and the compression of spacetime

Journal article published in 2014 by Carlos García-Meca, Carlos García Meca, Sante Carloni ORCID, Carlos Barceló, Gil Jannes, José Sánchez-Dehesa ORCID, Alejandro Martínez, Alejandro Martí Nez
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This paper is available in a repository.

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Abstract

A recently developed technique known as analogue transformation acoustics has allowed the extension of the transformational paradigm to general spacetime transformations under which the acoustic equations are not form invariant. In this paper, we review the fundamentals of analogue transformation acoustics and show how this technique can be applied to build a device that increases the density of events within a given spacetime region by simultaneously compressing space and time. ; Comment: 17 pages 4 figures. Accepted for publication in Photon. Nanostruct. Fundam. Appl