Energy spectra of D- centres quantum dots in a Gaussian potential

  • Gu J
  • Liang J
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Abstract

We explore D-centres quantum dot in a Gaussian confining potential. By means of numerical matrix diagonalization within the effective-mass approximation we obtain the energy spectrum and show that the property of the ground and low-lying states of the quantum dot is rather sensitive to the strength of the confinement potential. The energy deviation of the ground and the first excited states of the D-centres confined in Gaussian and harmonic-oscillator potential is analyzed explicitly. © 2004 Elsevier B.V. All rights reserved.

Author-supplied keywords

  • D-centre
  • Energy spectrum
  • Quantum dot

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