Resonant coupling of a SQUID to a mechanical resonator

Resonant coupling of a SQUID to a mechanical resonator
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SQUID 与机械谐振器的谐振耦合

DOI：
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发表时间：
2010
期刊：
影响因子：
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通讯作者：
R. Fazio
R. Fazio
中科院分区：
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文献类型：
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作者：
S. Pugnetti;Y. Blanter;R. Fazio

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我们分析了嵌入到量子SQUID的机械谐振器的特性，并分析了在什么条件下可以实现SQUID和谐振器之间的谐振耦合。我们发现，在本技术中，如何可能将系统调谐到SQUID的等离子体频率与谐振器频率相匹配并使相应的耦合最大化的状态。在这些条件下，系统的双简并量子能级被SQUID和谐振腔之间的耦合分裂。
We analyze the properties of a mechanical resonator embedded into a quantum SQUID and analyze under which conditions it is possible to realize a resonant coupling between the SQUID and the resonator. We find, within the present technology, how it is possible to tune the system into the regime where the plasma frequency of the SQUID matches the resonator frequency and maximizes the corresponding coupling. In these conditions the doubly degenerate quantum level of the system is split by the coupling between the SQUID and the resonator.