WIn this work we examine the
carrier states in a 2D-Quantum Ring, using the effective mass-approximation.
In this system carriers are confined in the radial direction by
a finite square potential well. We find the exact solution of the
time-independent Schrödinger equation for the system, we determine
the energy spectrum and we find the density of probability for a
carrier confined in such ring, Also, we study the effects of the
geometrical parameters on the energy spectrum of a carrier and examine
how the energy spectrum is re-structured by a static magnetic field
applied in the normal direction to the system. |