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Acoustic cloaking in three dimensions using acoustic metamaterials
Abstract
A scheme to achieve two dimensional (2D) acoustic cloaking is proposed by Cummer and Schurig [New J. Phys. 9, 45 (2007)] by mapping the acoustic equations to Maxwell’s equations of one polarization in the 2D geometry. We find that the acoustic equation can be mapped to the direct current conductivity equation in three dimensions, which then allows the design of three-dimensional acoustic cloaking using the coordinate transformation scheme. The perfect cloaking effect is confirmed by solving for the scattering problem using the spherical-Bessel function series expansion method.
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Citations
Cited by
Barceló, C., Liberati, S., & Visser, M. (2005) · Living Reviews in Relativity · doi:10.12942/lrr-2005-12 · Cited by 1,163
Barceló, C., Liberati, S., & Visser, M. (2011) · Living Reviews in Relativity · doi:10.12942/lrr-2011-3 · Cited by 598
Acoustic cloaking and transformation acoustics
Chen, H., & Chan, C. T. (2010) · Journal of Physics D: Applied Physics · doi:10.1088/0022-3727/43/11/113001 · Cited by 406
Self-citationA Review of Acoustic Metamaterials and Phononic Crystals
Liu, J., Guo, H., & Wang, T. (2020) · Crystals · doi:10.3390/cryst10040305 · Cited by 261
“[87] used the expansion of the Bessel function series in spherical coordinates to solve the scattering problem.”
Method
Metadata
- Authors
- Chen, H., & Chan, C. T.
- Venue
- Applied Physics Letters
- Publisher
- AIP Publishing
- Published
- 2007-10-29
- Volume
- 91
- Issue
- 18
- ISSN
- 0003-6951 (ISSN-L)
- 1077-3118
- OpenAlex
- W2053175946
- Cited by
- 1,021
- References
- 0
- FWCI
- 25.15
- Type
- journal article
- Language
- en
- Open access
- closed
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- Chen, H., & Chan, C. T. (2007). Acoustic cloaking in three dimensions using acoustic metamaterials. Applied Physics Letters. https://doi.org/10.1063/1.2803315
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