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| Schematic diagram of a spherical nanopartice (blue) surrounded by vacuum and enclosed within a bounding volume (dashed line) of radius R → ∞. A QE (red) interacts with the mode’s electric field (purple). The interaction spectrum (right) is shaped by the nanoparticle geometry. Courtesy of U Birmingham / 10.1103/PhysRevLett.133.203604#f1. |
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