倒Y形四能级原子系统电磁诱导的左手效应

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研究了倒Y形四能级原子与多模光场相互作用系统,在量子干涉机理下介质的相对介电常数和相对磁导率受电磁诱导发生显著变化,在合适的参数条件下它们同时出现负值,产生了左手效应,相应的介质转化为左手材料.随着系统参数的改变,左手效应频率范围等性质随之变化.
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