Anomalous Doppler effects in bulk phononic crystal

被引：2

作者：

Cai, Feiyan ^{[1
,2
,3
,4
]}

He, Zhaojian ^{[1
,2
]}

Zhang, Anqi ^{[1
,2
]}

Ding, Yiqun ^{[1
,2
]}

Liu, Zhengyou ^{[1
,2
]}

机构：

[1] Minist Educ, Key Lab Acoust & Photon Mat & Devices, Wuhan 430072, Peoples R China

[2] Wuhan Univ, Dept Phys, Wuhan 430072, Peoples R China

[3] Chinese Acad Sci, Paul C Lauterbur Res Ctr Biomed Imaging, Inst Biomed & Hlth Engn, Shenzhen Inst Adv Technol, Shenzhen 518055, Peoples R China

[4] Chinese Acad Sci, Key Lab Biomed Informat & Hlth Engn, Shenzhen 518055, Peoples R China

来源：

PHYSICS LETTERS A | 2010年 / 374卷 / 38期

基金：

中国国家自然科学基金;

关键词：

Doppler shift; Phononic band gap; Green's function method; ELECTROMAGNETIC-WAVES;

D O I：

10.1016/j.physleta.2010.07.045

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

Doppler effects in simple cubic phononic crystal are studied theoretically and numerically. In addition to observing Doppler shifts from a moving source's frequencies inside the gap, we find that Doppler shifts can be multi-order, anisotropic, and the dominant order of shift depends on the band index that the source's frequency is in. (C) 2010 Elsevier B.V. All rights reserved.

引用

页码：3971 / 3976

页数：6

共 22 条

[1] A PERFECTLY MATCHED LAYER FOR THE ABSORPTION OF ELECTROMAGNETIC-WAVES [J].