首页|Magnetobiexciton in strongly oblate ellipsoidal quantum dot
Magnetobiexciton in strongly oblate ellipsoidal quantum dot
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NSTL
Elsevier
The theoretical investigation of biexciton in ellipsoidal quantum dot in the presence of the magnetic field is done in the framework of the variational method. The dependencies of the energy and the binding energy for the magnetobiexciton on the magnetic field are calculated. It is shown, that the magnetobiexciton energy increases with the increase of the magnetic field magnitude. The optical transition energy of the magnetobiexciton is calculated as a function of the magnetic field and the large semiaxis. The recombination energy, defined as a difference between the total energies of the initial and final states after recombination, is computed. The magnetization as a function of magnetic field and small semiaxis is calculated. Finally, the recombination radiative lifetime of the magnetobiexciton is estimated and shown that it is of the order of nanoseconds.
NSTL
Elsevier
