Schematic illustration of an exciton (IMAGE)
Caption
The figure shows a schematic illustration of an exciton excited by a light pulse and moving along an atomically-thin layer. The exciton scatters and randomly changes its direction. In addition, a quantum mechanical interference effect can occur with the exciton propagating through a close loop in both directions at the same time.
Credit
(c) Alexey Chernikov
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Original content