Title
Inter and intrasubband transitions via lo phonons in quantum wires Inter and intrasubband transitions via lo phonons in quantum wires
Author
Faculty/Department
Faculty of Sciences. Physics
Publication type
article
Publication
London ,
Subject
Physics
Source (journal)
Superlattices and microstructures. - London
Volume/pages
13(1993) :1 , p. 37-40
ISSN
0749-6036
ISI
A1993KK13700007
Carrier
E
Target language
English (eng)
Full text (Publishers DOI)
Affiliation
University of Antwerp
Abstract
We investigate the effects of the finite confining potential V0 on the absorption and emission scattering rates of electrons interacting with LO phonons for a cylindrical GaAs quantum wire. The emission rates are qualitatively similar to those of the 2D case. The absorption rates on the other hand exhibit two different regimes: 1) for a wire radius smaller than a certain value (80 Å in the case where V0 = 190 meV) the behavior is similar to the 2D and 3D analogues, but 2) for larger radius the absorption rates initially increase with increasing energy, reach a maximum value and then decrease monotonicaly. A complete study is made as a function of wire radius, and electron energy.
E-info
https://repository.uantwerpen.be/docman/iruaauth/c94535/76a4895.pdf
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