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Phys. Rev. B 60, 10565 - 10568 (1999)

Strong nonradiative recombination of excitons in Cu2O and its impact on Bose-Einstein statistics

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K. E. O’Hara, L. Ó Súilleabháin, and J. P. Wolfe
Physics Department and Materials Research Laboratory, University of Illinois at Urbana-Champaign, Urbana, Illinois 61801

Received 28 January 1999; revised 18 May 1999

We have reproduced the spectroscopic evidence for Bose-Einstein statistics of excitons in Cu2O under a variety of conditions. However, our current measurements of the volume of the gas, its brightness, and the dependence of the energy distribution on crystal temperature, are inconsistent with a homogeneous gas of density sufficient to reach the quantum-statistical regime.


©1999 The American Physical Society

URL: http://link.aps.org/doi/10.1103/PhysRevB.60.10565
DOI: 10.1103/PhysRevB.60.10565
PACS: 71.35.Lk, 03.75.Fi, 78.55.Hx

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