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The characteristics for H 2 +-like impurities confined by spherical quantum dots
Authors:S. Kang  Y.-M. Liu  T.-Y. Shi
Affiliation:(1) Department of physics and information engineering, Hunan Institute of Humanities, Science and Technology, Loudi, 417000, P.R. China;(2) State Key Laboratory of Magnetic Resonance and Atomic and Molecular Physics, Wuhan Institute of Physics and Mathematics, The Chinese Academy of Sciences, Wuhan, 430071, P.R. China;(3) Department of Physics, Shaoguan University, Shaoguan, 512005, P.R. China
Abstract:The energy spectra of H2 +-like impurities confined in finite spherical quantum dots have been calculated as a function of the distance between nuclear with different sizes on the basis of effective-mass approximation by linear variational method. B-splines have been used as basis functions, which can easily construct the trial wavefunctions with appropriate boundary and cusp conditions. The quantitative analyses of the partial wave weights for ground state and some low lying states have been done.
Keywords:  KeywordHeading"  >PACS. 71.55.-i Impurity and defect levels  73.21.La Quantum dots  73.22.-f Electronic structure of nanoscale materials: clusters, nanoparticles, nanotubes, and nanocrystals
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