Spin-orbit interaction effects on binding energy and susceptibility of an off-centre D0 impurity in a Gaussian dot in magnetic field

An off-centre hydrogenic D0 centre situated in a 2D Gaussian quantum dot is studied taking into accounts the effects of Rashba Dresselhaus spin-orbit interactions and an external magnetic field. The ground state binding energy of the D0 complex is calculated using a variational method with an improved wave function. The magnetic susceptibility of the system is also calculated. The results show interesting behaviour with respect to different quantum dot parameters and spin-orbit couplings.

Automated summary

The study focuses on an off-centre hydrogenic D0 centre in a 2D Gaussian quantum dot, considering the effects of Rashba Dresselhaus spin-orbit interactions and an external magnetic field. The ground state binding energy of the D0 complex is calculated using an improved variational method, along with the calculation of magnetic susceptibility of the system. Results reveal interesting behavior with respect to different quantum dot parameters and spin-orbit couplings.