Binding energy for the surface biexcitonic positive ion

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, , Citation A I Bobrysheva et al 1983 J. Phys. C: Solid State Phys. 16 5723 DOI 10.1088/0022-3719/16/29/025

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1 Inst. of Appl. Phys., Acad. of Sci., Kishinev, Moldavian SSR, USSR

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0022-3719/16/29/5723

Abstract

The binding energy of the surface X2+ trion is calculated as a function of the mass ratio sigma , 0<or= sigma =me/mh<or=1, by a variational method. The trion is stable for any value of sigma and the binding energy is much larger than that of the bulk trion. Some results about the wavefunction are presented.

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