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Quantum Plasmonics

机译：量子等离子

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Quantum plasmonics is an exciting subbranch of nanoplasmonics where the laws of quantum theory are used to describe light–matter interactions on the nanoscale. Plasmonic materials allow extreme subdiffraction confinement of (quantum or classical) light to regions so small that the quantization of both light and matter may be necessary for an accurate description. State-of-the-art experiments now allow us to probe these regimes and push existing theories to the limits which opens up the possibilities of exploring the nature of many-body collective oscillations as well as developing new plasmonic devices, which use the particle quality of light and the wave quality of matter, and have a wealth of potential applications in sensing, lasing, and quantum computing. This merging of fundamental condensed matter theory with application-rich electromagnetism (and a splash of quantum optics thrown in) gives rise to a fascinating area of modern physics that is still very much in its infancy. In this review, we discuss and compare the key models and experiments used to explore how the quantum nature of electrons impacts plasmonics in the context of quantum size corrections of localized plasmons and quantum tunneling between nanoparticle dimers. We also look at some of the remarkable experiments that are revealing the quantum nature of surface plasmon polaritons.
机译：量子等离激元是纳米等离激元的一个令人兴奋的分支，其中量子理论定律用于描述纳米级的光-质相互作用。等离子体材料可以将（量子或经典）光的极端子衍射限制在很小的区域，以至于精确描述可能需要对光和物质进行量化。现在，最先进的实验使我们能够探究这些机制，并将现有理论推向极限，这为探索多体集体振荡的本质以及开发利用粒子质量的新型等离子体设备提供了可能性光和物质的波质量，并且在传感，激光和量子计算中具有大量潜在应用。基本凝聚态理论与丰富的应用电磁学的结合（以及量子光学的大量涌入）引起了现代物理学的一个引人入胜的领域，该领域仍处于起步阶段。在这篇综述中，我们讨论并比较了用于探索电子的量子性质如何在局部等离激元的量子尺寸校正和纳米粒子二聚体之间的量子隧穿的背景下影响等离激元的关键模型和实验。我们还将查看一些出色的实验，这些实验揭示了表面等离激元极化子的量子性质。

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