ACOUSTIC BAND-STRUCTURE OF PERIODIC ELASTIC COMPOSITES

被引：2590

作者：

KUSHWAHA, MS

HALEVI, P

DOBRZYNSKI, L

DJAFARIROUHANI, B

机构：

[1] UNIV SONORA,CTR INVEST FIS,HERMOSILLO 83190,SONORA,MEXICO

[2] UNIV LILLE 1,UNITE FONDAMENTALE RECH PHYS,DYNAM & STRUCT MAT MOLEC LAB,CNRS,F-59655 VILLENEUVE DASCQ,FRANCE

来源：

PHYSICAL REVIEW LETTERS | 1993年 / 71卷 / 13期

关键词：

D O I：

10.1103/PhysRevLett.71.2022

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We present the first full band-structure calculations for periodic, elastic composites. For transverse polarization of the vibrations we obtain a ''phononic'' band gap which extends throughout the Brillouin zone. A complete acoustic gap or a low density of states should have important consequences for the suppression of zero-point motion and for the localization of phonons, and may lead to improvements in transducers and in the creation of a vibrationless environment.

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页码：2022 / 2025

页数：4

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