The Energy Spectrum of Two-Electron Semiconductor Quantum Dots

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Turkish Journal of Physics
Volume:32 Issue:2
The Energy Spectrum of Two-Electron Semiconductor Quantum Dots

The Energy Spectrum of Two-Electron Semiconductor Quantum Dots

Pages : 79-84

View : 14 | Download : 8

Publication Date : 0000-00-00

Article Type : Research Paper

Abstract :The ground-state properties of a two-dimensional quantum-dot are studied. We have used the shifted 1/N expansion method to solve the relative part Hamiltonian of two electrons confined in a quantum in the presence of an applied uniform magnetic field. The spin singlet-triplet transition in the ground state of the QD is shown. We have also displayed the singlet-triplet energy gap, J = D = ET - ES, against the strength of the magnetic field for two electron quantum dot. Based on comparisons, the eigenenergies obtained by the shifted method are in excellent agreement with exact, variational, Hartree-Fock insert ignore into journalissuearticles values(HF); and Full-Configuration Interaction insert ignore into journalissuearticles values(FCI); methods.
Keywords : Quantum dots, Magnetic Field, Eigenenergies, Energy Gap Splitting

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