Comment on "Scattering Theory Derivation of a 3D Acoustic Cloaking Shell"

by: Allan Greenleaf, Yaroslav Kurylev, Matti Lassas, Gunther Uhlmann

(21 Jan 2008)

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Abstract

In a recent Letter, Cummer et al. give a description of material parameters for acoustic wave propagation giving rise to a 3D spherical cloak, and verify the cloaking phenomenon on the level of scattering coefficients. A similar configuration has been given by Chen and Chan. In this Comment, we show that these theoretical constructions follow directly from our earlier work <a href="http://arxiv.org/abs/math/0611185">this http URL</a> on full wave analysis of cloaking for the Helmholtz equation with respect to Riemannian metrics. Furthermore, the analysis there covers the case of acoustically radiating objects being enclosed in the cloaked region.

@misc{citeulike:2363192, abstract = {In a recent Letter, Cummer et al. give a description of material parameters for acoustic wave propagation giving rise to a 3D spherical cloak, and verify the cloaking phenomenon on the level of scattering coefficients. A similar configuration has been given by Chen and Chan. In this Comment, we show that these theoretical constructions follow directly from our earlier work <a href="http://arxiv.org/abs/math/0611185">this http URL</a> on full wave analysis of cloaking for the Helmholtz equation with respect to Riemannian metrics. Furthermore, the analysis there covers the case of acoustically radiating objects being enclosed in the cloaked region.}, author = {Greenleaf, Allan and Kurylev, Yaroslav and Lassas, Matti and Uhlmann, Gunther }, citeulike-article-id = {2363192}, eprint = {0801.3279v1}, keywords = {cloaking, metamaterial}, month = {Jan}, posted-at = {2008-02-11 16:04:12}, priority = {2}, title = {Comment on "Scattering Theory Derivation of a 3D Acoustic Cloaking Shell"}, url = {http://arxiv.org/abs/0801.3279v1}, year = {2008} }

RIS record

TY - ELEC ID - citeulike:2363192 TI - Comment on "Scattering Theory Derivation of a 3D Acoustic Cloaking Shell" N2 - In a recent Letter, Cummer et al. give a description of material parameters for acoustic wave propagation giving rise to a 3D spherical cloak, and verify the cloaking phenomenon on the level of scattering coefficients. A similar configuration has been given by Chen and Chan. In this Comment, we show that these theoretical constructions follow directly from our earlier work <a href="http://arxiv.org/abs/math/0611185">this http URL</a> on full wave analysis of cloaking for the Helmholtz equation with respect to Riemannian metrics. Furthermore, the analysis there covers the case of acoustically radiating objects being enclosed in the cloaked region. KW - cloaking KW - metamaterial AU - Greenleaf, Allan AU - Kurylev, Yaroslav AU - Lassas, Matti AU - Uhlmann, Gunther PY - 2008/Jan/21/ UR - http://arxiv.org/abs/0801.3279v1 ER -

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