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Fermi-edge singularities in the photoluminescence and magneto-optical spectra of modulation-doped v-groove quantum wires

Abstract:
We report the observation of strong Fermi-edge singularities photoluminescence spectrum the of strongly-confined, modulation-doped GaAs v-groove quantum wires. The behaviour of the singularity has been investigated at high excitation intensity, and both lattice and electrical heating. The latter produces a strong reduction of the singularity due to Fermi surface smearing, whereas, increased photoexcitation produces complex electron-hole correlation effects.
Publication status:
Published

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Authors


Maciel, AC More by this author
Davies, HDM More by this author
O'Sullivan, ED More by this author
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Institution:
University of Oxford
Department:
Oxford, MPLS, Physics, Condensed Matter Physics
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Publisher:
Elsevier Sci B.V.
Journal:
PHYSICA E
Volume:
6
Issue:
1-4
Pages:
530-533
Publication date:
2000-02-05
DOI:
ISSN:
1386-9477
URN:
uuid:f824b8d1-b7bf-4966-912f-de65f8de036d
Source identifiers:
9788
Local pid:
pubs:9788

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