Asymptotic biexciton ‘‘binding energy’’ in quantum dots
- 15 April 1989
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review B
- Vol. 39 (11) , 8022-8024
- https://doi.org/10.1103/physrevb.39.8022
Abstract
The biexciton ‘‘binding energy’’ in a microsphere is calculated in the limit of vanishing sphere radius by use of ordinary second-order perturbation theory. This ‘‘binding energy’’ is found to be always positive and may exceed one excitonic Rydberg, depending on the ratio of the dielectric constants of the semiconductor and the cladding material, as well as on the electron-hole mass ratio.Keywords
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