利用超压缩石墨烯等离子体探测超导体的电动力学
Harnessing Ultraconfined Graphene Plasmons to Probe the Electrodynamics of Superconductors
摘要：
我们表明，超导体的希格斯模式，这通常是具有挑战性的观察远场光学，可以清楚地看到使用近场光学利用超限制石墨烯等离子体。作为近场源，我们研究了两个例子：石墨烯等离子体激元和量子发射体。在这两种情况下，与希格斯模式的耦合都清晰可见。在石墨烯等离子体的情况下，耦合是由石墨烯等离子体与超导体的希格斯模式相互作用产生的明显的反交叉信号。在量子发射体的情况下，希格斯模式可以通过珀塞尔效应观察到。当将超导体、石墨烯和量子发射体结合在一起时，许多实验旋钮可用于揭示和研究超导体的电动力学。
英文摘要：
We show that the Higgs mode of a superconductor, which is usually challenging to observe by far-field optics, can be made clearly visible using near-field optics by harnessing ultraconfined graphene plasmons. As near-field sources we investigate two examples: graphene plasmons and quantum emitters. In both cases the coupling to the Higgs mode is clearly visible. In the case of the graphene plasmons, the coupling is signaled by a clear anticrossing stemming from the interaction of graphene plasmons with the Higgs mode of the superconductor. In the case of the quantum emitters, the Higgs mode is observable through the Purcell effect. When combining the superconductor, graphene, and the quantum emitters, a number of experimental knobs become available for unveiling and studying the electrodynamics of superconductors.
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