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28 March 2024
 
  » arxiv » cond-mat/0009044

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Size effects on excitons in nano-rings
Hui Hu ; Dai-Jun Li ; Jia-Lin Zhu ; Jia-Jiong Xiong ;
Date 4 Sep 2000
Journal J. Phys : Condensed Matter 12, 9145 (2000)
Subject Materials Science; Mesoscopic Systems and Quantum Hall Effect | cond-mat.mtrl-sci cond-mat.mes-hall
AbstractThe size effects of an exciton in a nano-ring are investigated theoretically by using an effective-mass Hamiltonian which can be separated in terms of the center-of-mass and relative coordinates. The binding energy and oscillator strength of the ground state are calculated for two different ring radii as a function of the ring width. The resulting linear optical susceptibility of the low-lying exciton states is also discussed.
Source arXiv, cond-mat/0009044
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