Negative mass and elasticity

被引：5
|
作者：
Bobrovnitskii, Yu. I. [1 ]
机构：
[1] Russian Acad Sci, Blagonravov Mech Engn Res Inst, Moscow 101990, Russia
来源：
ACOUSTICAL PHYSICS | 2012年 / 58卷 / 01期
关键词：
metamaterials; double-negative media; kinetic energy of negative mass; potential energy of negative elasticity; ENERGY CHARACTERISTICS;
D O I：
10.1134/S1063771012010046
中图分类号：
O42 [声学];
学科分类号：
070206 ; 082403 ;
摘要：
The paper introduces the concept of equivalent mass and elasticity. The physical sense of their negative values is explained, and it is demonstrated that they do not contradict the laws of conservation of energy and impulse. Formulas are introduced to calculate the energy of equivalent mass and elasticity. The limits on the character of their frequency dependences are formulated. In particular, it is noted that it is impossible for negative mass and elasticity to be independent of frequency.
引用
收藏
页码：30 / 33
页数：4
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