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Chinese Physics, 2000, Vol. 9(8): 619-623    DOI: 10.1088/1009-1963/9/8/013
CONDENSED MATTER: ELECTRONIC STRUCTURE, ELECTRICAL, MAGNETIC, AND OPTICAL PROPERTIES Prev   Next  

NEGATIVE DONOR CENTER QUANTUM DOTS IN MAGNETIC FIELDS

Xie Wen-fang (解文方)
Department of Physics, Guangzhou Normal University Guangzhou 510405, China
Abstract  The method of few-body physics is applied to treat a D- center quantum dot system in a magnetic field. The magnetic field is applied in the z direction. Using this method, we investigate the energy spectra of low-lying states of D- center quantum dots as a function of magnetic field. The dependence of the binding energies of the ground-state of the D- center are calculated as a function of the dot radius with a few values of the magnetic field strength and compared with other results.
Keywords:  negative donor center      quantum dot      few-body physics.  
Received:  14 December 1999      Revised:  17 March 2000      Accepted manuscript online: 
PACS:  71.18.+y (Fermi surface: calculations and measurements; effective mass, g factor)  
  71.55.-i (Impurity and defect levels)  
  77.22.Ch (Permittivity (dielectric function))  
Fund: Project supported by the National Natural Foundation of China (Grant No. 19975013), and the Naturl Science Foundation of Guangdong Province, China.

Cite this article: 

Xie Wen-fang (解文方) NEGATIVE DONOR CENTER QUANTUM DOTS IN MAGNETIC FIELDS 2000 Chinese Physics 9 619

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