等离子体共振簇间库仑衰变
Plasmonic Resonant Intercluster Coulombic Decay
AI总结：
本文研究纳米团簇中等离子体激元激发通过共振簇间库仑衰变（RICD）实现非局域能量共享，以Na20@C240为例，提出该过程可被光电子速度图成像实验检测。
摘要：
通过等离子体激元激发在纳米团簇中的光诱导能量限制影响着纳米光子学、光催化以及可控慢电子源设计等应用。这些激发通过团簇电离连续体的共振衰变为集体电子行为提供了独特的探针。然而，将部分衰变振幅转移到第二个共轭团簇的连续体，可能为远程集体事件的非局域能量共享提供控制和效率。以球形嵌套二聚体Na20@C240的两个等离子体系统为例，我们发现这种转移可以通过共振簇间库仑衰变（RICD）作为基本过程实现。这种等离子体RICD信号可以通过光电子速度图成像技术进行实验检测。
英文摘要：
Light-induced energy confinement in nanoclusters via plasmon excitations influences applications in nanophotonics, photocatalysis, and the design of controlled slow electron sources. The resonant decay of these excitations through the cluster's ionization continuum provides a unique probe of the collective electronic behavior. However, the transfer of a part of this decay amplitude to the continuum of a second conjugated cluster may offer control and efficacy in sharing the energy nonlocally to instigate remote collective events. With the example of a spherically nested dimer Na20@C240 of two plasmonic systems we find that such a transfer is possible through the resonant intercluster Coulomb decay (RICD) as a fundamental process. This plasmonic RICD signal can be experimentally detected by the photoelectron velocity map imaging technique.
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