corner
corner
APS » Journals » Phys. Rev. Lett. » Volume 103 » Issue 1
< Previous Article | Next Article >

Phys. Rev. Lett. 103, 016403 (2009) [4 pages]

Direct Measurement of Exciton-Exciton Interaction Energy

Download: PDF (321 kB) Buy this article Export: BibTeX or EndNote (RIS)

Z. Vörös* and D. W. Snoke
Department of Physics and Astronomy, University of Pittsburgh, 3941 O’Hara Street, Pittsburgh, Pennsylvania 15260, USA

L. Pfeiffer† and K. West
Bell Labs, Lucent Technologies, 700 Mountain Avenue, Murray Hill, New Jersey 07974, USA

Received 10 April 2009; published 1 July 2009

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.

© 2009 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevLett.103.016403
DOI:
10.1103/PhysRevLett.103.016403
PACS:
71.35.−y, 78.67.De

*Present address: Institut für Experimentalphysik, Universität Innsbruck, Austria.

†Present address: Department of Electrical Engineering, Princeton University, Princeton, NJ 08544, USA.

 
< Previous Article | Next Article >