Open AccessTheory of Internal Transitions of Charged Excitons in Quantum Wells in Magnetic Fields
Author(s) -
Dzyubenko A.B.,
Sivachenko A.Yu.
Publication year - 2000
Publication title -
physica status solidi (a)
Language(s) - English
Resource type - Journals
eISSN - 1521-396X
pISSN - 0031-8965
DOI - 10.1002/1521-396x(200003)178:1<519::aid-pssa519>3.0.co;2-e
Subject(s) - physics , principal quantum number , exciton , orbital motion , magnetic field , magnetic dipole , spins , quantum number , quantum mechanics , azimuthal quantum number , angular momentum , condensed matter physics , total angular momentum quantum number , electron , dipole , quantum well , electric dipole transition , atomic physics , quantum , angular momentum coupling , quantum dissipation , laser
For charged semiconductor complexes in magnetic fields B , we discuss an exact classification of states, which is based on magnetic translations. In this scheme, in addition to the total orbital angular momentum projection M z and electron and hole spins S e , S h , a new exact quantum number appears. This oscillator quantum number, k , is related physically to the center of the cyclotron motion of the complex as a whole. In the dipole approximation k is strictly conserved in magneto‐optical transitions. We discuss implications of this new exact selection rule for internal intraband magneto‐optical transitions of charged excitons X – in quantum wells in B .