期刊
PHYSICS LETTERS A
卷 335, 期 5-6, 页码 451-456出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.physleta.2004.12.050
关键词
D- centre; quantum dot; energy spectrum
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. (C) 2004 Elsevier B.V. All rights reserved.
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