Unexpectedly Slow Two Particle Decay of Ultra-Dense Excitons in Cuprous Oxide

Laszlo Frazer, Richard D. Schaller, J. B. Ketterson

For an ultra-dense exciton gas in cuprous oxide (Cu${}_2$O), exciton-exciton interactions are the dominant cause of exciton decay. This study demonstrates that the accepted Auger rec…