Study of the RPA pair correlation function in GaAs-AlGaAs parabolic quantum well wires
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2004-06
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The ground state intrasubband pair-correlation function for a quasi-one-dimensional electron gas confined in a
GaAs-AlxGa1¡xAs parabolic quantum well wire within the Random-Phase Approximation (RPA) is calculated.
We have considered two wires with subband energies separation ~ = 2:0 meV and ~ = 2:5 meV. The
dependence of the pair-correlation function on the electronic density was studied and the regions where the
RPA approach cannot be used were precisely determined.
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CUNHA, J. B. B.; CUNHA, J. F. R.; MACHADO, P. C. M.; OSÓRIO, F. A. P.; BORGES, A. N. Study of the RPA pair correlation function in GaAs-AlGaAs parabolic quantum well wires. Brazilian Journal of Physics, São Paulo, v. 34, n.2, p. 699-701, 2004. DOI:10.1590/S0103-97332004000400049. Disponível em: https://www.scielo.br/j/bjp/a/SHhzFp8zYsf6TnLM7TGjrxp/?lang=en. Acesso em: 24 abr. 2023.