Excitons

First Detection of a Fundamental Particle of Light-Matter Interaction in Metals: the Exciton

  • By Aude Marjolin
  • 1 June 2014

PQI faculty Hrvoje Petek and Sean Garrett-Roe have become the first to detect a fundamental particle of light-matter interaction in metals, the exciton. The team has published its work in the June 2014 online issue of Nature Physics.

Mankind has used reflection of light from a metal mirror on a daily basis for millennia, but the quantum mechanical magic behind this familiar phenomenon is only now being uncovered.