Direct measurement of exciton-exciton interaction energy

Z. Vörös, D. W. Snoke, L. Pfeiffer, K. West

Research output: Contribution to journalArticlepeer-review

42 Scopus citations


We report a direct measurement of the spectral function (real and imaginary self-energy) of excitons with a repulsive interaction potential. These results allow a stringent test of many-body theories of the exciton-exciton interaction which is independent of the exciton density calibration.

Original languageEnglish (US)
Article number016403
JournalPhysical review letters
Issue number1
StatePublished - Aug 6 2009
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • General Physics and Astronomy


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