LHM）——该名称最早由V．GVeselago 磁场强度万和波矢量云三者满足左手螺 （2）负折射率材料（Negative Index Refraction，NIR）——因为左手媒质的介电 常数和磁导率都为负值，得到该媒质的折射率为负值113】。
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If water had a negative index of refraction, then a straw placed in a glass would appear to bend back under itself.
如果水具有负折射率，那么放在玻璃杯中的吸管似乎可能弯曲到自身下方。
What would a negative index of refraction look like?
如果折射率是负的,会发生什么事情?
They then cascaded the negative index medium with a positive refractive index medium so that the complete nanostructure behaved as one with an index of refraction of zero.
他们将负折射率材料和正折射率材料级联起来成功实现了零折射率行为的纳米结构。
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