Rotating Effect on Optical Properties of a Quantum Ring with a Screw Dislocation: Theoretical Investigation

We have investigated the effect of rotation and external fields on optical properties of an electron/hole with a screw dislocation in a quantum ring within quantum mechanics scheme. We suppose an external uniform magnetic field and an Aharonov-Bohm flux are exerted in the center of the quantum ring and the rotating process is around the z-axis. We have solved the Schrödinger equation with the Tan-Inkson potential for the considered system and have deduced the energy spectrum with and without rotation. We have determined refractive index changes (RIC) and Absorption coefficient (AC) of the system using the compact density matrix formalism and have found that the RIC and AC are increase and move to higher energies with rotation. Also, we have studied the effect of different parameters on the optical properties of the system such as radius of quantum ring, angular frequency of rotation and intensity of the incident waves. Our results show that they have a great effect on the RIC and AC.