The principle of causality in acoustic double-negative media

被引：0
|
作者：
V. A. Burov
K. V. Dmitriev
S. N. Sergeev
机构：
[1] Moscow State University,
来源：
Bulletin of the Russian Academy of Sciences: Physics | 2011年 / 75卷 / 12期
关键词：
Phase Velocity; Wave Packet; Group Velocity; Background Medium; Negative Medium;
D O I：
10.3103/S1062873811120082
中图分类号：
学科分类号：
摘要：
We discuss double negative acoustic media with various types of dispersion. The absence of dispersion leads to violation of the causality principle. No strong absorption occurs and there is no violation of the principle of causality in a dispersive medium with resonant response.
引用
收藏
页码：1641 / 1645
页数：4
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