Gauge invariance approach to acoustic fields / Woon Siong Gan.

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Gauge invariance approach to acoustic fields / Woon Siong Gan.

9789811387517 (electronic book)
9811387516 (electronic book)
9811387508
9789811387500
9789811387524
9811387524
9789811387531
9811387532

https://doi.org/10.1007/978-981-13-8751-7
https://doi.org/10.1007/978-981-13-8

Singapore : Springer, [2019]

©2019

English

1 online resource : illustrations

10.1007/978-981-13-8751-7 doi
10.1007/978-981-13-8

QC793.3.G38 G36 2019

530.14/35

This book highlights the symmetry properties of acoustic fields and describes the gauge invariance approach, which can be used to reveal those properties. Symmetry is the key theoretical framework of metamaterials, as has been demonstrated by the successful fabrication of acoustical metamaterials. The book first provides the necessary theoretical background, which includes the covariant derivative, the vector potential, and invariance in coordinate transformation. This is followed by descriptions of global gauge invariance (isotropy), and of local gauge invariance (anisotropy). Sections on time reversal symmetry, reflection invariance, and invariance of finite amplitude waves round out the coverage.

Includes bibliographical references.

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Online resource; title from PDF title page (SpringerLink, viewed August 29, 2019).

Print version: 9789811387500

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