Effect of Rashba interaction and Coulomb correlation on the ground state energy of a GaAs quantum dot with parabolic confinement
Effect of Rashba interaction and Coulomb correlation on the ground state energy of a GaAs quantum dot with parabolic confinement
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Date
2013-01-01
Authors
Sanjeev Kumar, D.
Mukhopadhyay, Soma
Chatterjee, Ashok
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Abstract
The ground state energy of a parabolically confined quantum dot placed in an external magnetic field is studied taking into account the effects of the Rashba spin-orbit interaction (SOI) and electron-electron interaction. With a simple and physically reasonable model potential for electron-electron interaction term, the problem is solved exactly to second order in the Rashba coupling constant. © 2012 Elsevier B.V.
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Physica E: Low-Dimensional Systems and Nanostructures. v.47