Articles written in Pramana – Journal of Physics
Volume 69 Issue 4 October 2007 pp 651-659 Research Articles
Density of states in a quantum well has been studied in the presence of an electric ﬁeld applied perpendicular to the growth direction. We have shown that an extra quantization is introduced to the motion of the electron due to the discrete energy levels known as Wannier–Stark ladder states and the nature of density of electronic states changes from quasi two-dimensional to quasi one-dimensional.
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