球形量子点的光电离截面:抛物型限制电势的影响
Photoionization cross section in a spherical quantum dot: Effects of some parabolic confining electric potentials
摘要:
从理论上研究了球形量子点中电势的空间变化对光电离截面的影响。这里考虑的电位分布是移位抛物势和反向侧向移位抛物势,与研究得很好的抛物势相比。结果表明,抛物势和反向侧移抛物势使PCS的峰值发生蓝移,而侧移抛物势使PCS的峰值发生红移。
英文摘要:
A theoretical investigation of the effects of spatial variation of confining electric potential on photoionization cross section (PCS) in a spherical quantum dot is presented. The potential profiles considered here are the shifted parabolic potential and the inverse lateral shifted parabolic potential compared with the well-studied parabolic potential. The primary findings are that parabolic potential and the inverse lateral shifted parabolic potential blue shift the peaks of the PCS while the shifted parabolic potential causes a red shift.
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