An acoustic metafluid: realizing a broadband acoustic cloak

被引：137

作者：

Pendry, J. B. ^{[1
]}

Li, Jensen ^{[2
]}

机构：

[1] Univ London Imperial Coll Sci Technol & Med, Dept Phys, Blackett Lab, London SW7 2AZ, England

[2] Univ Calif Berkeley, NSEC, NSF, Berkeley, CA 94720 USA

来源：

NEW JOURNAL OF PHYSICS | 2008年 / 10卷

基金：

英国工程与自然科学研究理事会;

关键词：

D O I：

10.1088/1367-2630/10/11/115032

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

Recent theory shows that sound can be controlled and directed almost at will provided that suitable materials can be found. Here, we propose a structure permeated by a fluid and designed so that the composite medium, the metafluid, has an anisotropic density tensor, and a compressibility of choice.

引用

页数：9

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