Excitonic enhancement of the Fermi-edge singularity in a dense two-dimensional electron gas

1992 ◽  
Vol 45 (15) ◽  
pp. 8464-8477 ◽  
Author(s):  
W. Chen ◽  
M. Fritze ◽  
W. Walecki ◽  
A. V. Nurmikko ◽  
D. Ackley ◽  
...  
Keyword(s):  
Electron Gas ◽  
Two Dimensional ◽  
Dimensional Electron ◽  
Two Dimensional Electron Gas ◽  
Edge Singularity ◽  
Fermi Edge ◽  
Fermi Edge Singularity ◽  
Dimensional Electron Gas

Fermi-edge singularities as probes of a two-dimensional electron gas in GaAs heterostructures

1992 ◽  
Vol 263 (1-3) ◽  
pp. 633-637
Author(s):  
M. Fritze ◽  
W. Chen ◽  
W. Wałecki ◽  
A.V. Nurmikko ◽  
M. Hong ◽  
...  
Keyword(s):  
Electron Gas ◽  
Two Dimensional ◽  
Dimensional Electron ◽  
Two Dimensional Electron Gas ◽  
Edge Singularities ◽  
Fermi Edge ◽  
Dimensional Electron Gas

ANDERSON-FANO TRANSITIONS IN PHOTOLUMINESCENCE OF A TWO DIMENSIONAL ELECTRON GAS

2007 ◽  
Vol 21 (08n09) ◽  
pp. 1429-1434 ◽  
Author(s):  
L. BRYJA ◽  
A. WÓJS ◽  
K. RYCZKO ◽  
K. WÓJCIK ◽  
J. MISIEWICZ ◽  
...  
Keyword(s):  
Electron Gas ◽  
Photoluminescence Spectra ◽  
Dimensional Electron ◽  
Many Body ◽  
Edge Singularity ◽  
Fermi Edge ◽  
Fermi Edge Singularity ◽  
Dimensional Electron Gas ◽  
The Many ◽  
The Magnetic Field

The many body interaction are investigated in polarization resolved photoluminescence in the magnetic field up to 23 T. The Fermi edge singularity, Anderson-Fano transition and neutral and negatively charged excitons (trions) are detected in the photoluminescence spectra. The experimental results are supplemented by realistic calculations.

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