Open AccessEffects of impurity on negatively charged exciton on quantum ring
Author(s) -
Wu Hong
Publication year - 2010
Publication title -
wuli xuebao
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.199
H-Index - 47
ISSN - 1000-3290
DOI - 10.7498/aps.59.8843
Subject(s) - physics , angular momentum , exciton , total angular momentum quantum number , ring (chemistry) , impurity , wave function , eigenvalues and eigenvectors , azimuthal quantum number , quantum number , charge (physics) , oscillation (cell signaling) , plane (geometry) , transformation (genetics) , plane wave , function (biology) , quantum , atomic physics , quantum mechanics , angular momentum coupling , chemistry , biochemistry , geometry , mathematics , organic chemistry , gene , evolutionary biology , biology
The effects of the impurity on the energy-optical spectrum and the Aharonov-Bohm oscillation of the negatively charged exciton X on the quantum ring are discussed. In the present case, the total orbital angular momentum is not conserved. To find the wave function, a set of basic functions is formed according to their total orbital angular momenta. Then the typical diagonalization method is used to find the eigenvalues and the eigen functions of the system. The calculated results are satisfactory. When the impurities are not in the x-y plane, the calculation skill using the equivalent charge transformation formula becomes simple and charts are also discussed.