Figure 4
From: Quantum Effects In Imaging Nano-Structures Using Photon-Induced Near-Field Electron Microscopy

Quantum and classical (|Fz|/E0)2 along x-axis for y = 0 plane of two 50 nm silver nanoparticles with gap sizes: (a) (0.3 nm) and (b) (0.6 nm) placed in air.