Exciting Resonances

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Science  06 Oct 1995:
Vol. 270, Issue 5233, pp. 51
DOI: 10.1126/science.270.5233.51


Excitons are electron-hole pairs that can transport energy while remaining charge neutral. A group at Stanford has recently found a way to create excitons directly in a quantum well device, which may permit future studies of fundamental quantum physics.