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Interband Electrooptical Transitions in CdS/HgS/CdS Cylindrical Heterolayer-Nanotube

In the effective-mass approximation the single-electron states in a direct-band CdS/ -HgS/CdS nanocylindrical heterolayer in the presence of strong lateral radial electrostatic field are considered. The explicit forms of the energy spectrum and envelope wave functions of single-particle states for charge carriers are obtained using variation approach. Corresponding absorption characteristics of interband optical transitions in the layer in the presence of strong radial field are calculated.