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Nanophotonics for pair production

Physics

Nanophotonics for pair production

V. D. Giulio and F. J. G. D. Abajo

This exciting research by Valerio Di Giulio and F. Javier García de Abajo explores the potential of intense optical near fields in nanostructured materials to generate electron-positron pairs using high-energy photons. Their findings reveal that the interaction of near-threshold γ-rays with polaritons significantly enhances pair-production cross sections compared to free-space photons, paving the way for tunable pulsed positron generation from nanoscale regions.

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