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Negatively Charged Exciton on a Quantum Ring
Author(s) -
Korkusiński M.,
Hawrylak P.,
Bayer M.
Publication year - 2002
Publication title -
physica status solidi (b)
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.51
H-Index - 109
eISSN - 1521-3951
pISSN - 0370-1972
DOI - 10.1002/1521-3951(200211)234:1<273::aid-pssb273>3.0.co;2-n
Subject(s) - exciton , physics , atomic physics , magnetic field , electron , energy spectrum , radius , biexciton , aharonov–bohm effect , ring (chemistry) , ground state , quantum , condensed matter physics , quantum mechanics , chemistry , computer security , organic chemistry , computer science
We present calculations of the magnetic field dependence of the emission spectrum of charged exciton (X – ) localised on a quantum ring. They are carried out using exact diagonalisation techniques in a coordinate system localised on a valence hole. The ground state energy of charged X – complex, unlike neutral exciton, exhibits Aharonov–Bohm oscillations for any disk radius. The emission energy is found as a difference of Aharonov–Bohm oscillations in the charged exciton and the final state electron energy.