Short range correlation effects in a polaron gas in gaas-algaas quantum well wires

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dc.creatorBorges, Antonio Newton
dc.creatorOsorio, Francisco Aparecido Pinto
dc.creatorMachado, Paulo César Miranda
dc.creatorHipólito, Oscar
dc.date.accessioned2023-12-13T14:20:25Z
dc.date.available2023-12-13T14:20:25Z
dc.date.issued1999
dc.description.abstractWe investigate the short-range correlation effects of plasmon–phonon collective excitations in a quantum well wire by using the self-consistent field approximation theory proposed by Singwi, Tosi, Land and Sjolander [Phys. Rev.176, 589 (1968)]. In our calculation model, we consider a three-subband model with only one populated, for a rectangular cross-section quantum well wire with infinite height for the potential barrier. We have verified that by decreasing the wire width (and/or decreasing the electronic density), the local field correction effects are increased. We compare the present results with those obtained within the Random Phase Approximation throughout the paper and found that the differences between the two calculation methods are more significant for the intrasubband plasmon.
dc.identifier.citationBORGES, Antônio Newton et al. Short range correlation effects in a polaron gas in gaas-algaas quantum well wires. Modern Physics Letters B, Singapore, v. 13, n.22/23, p. 819-827, 1999. DOI: 10.1142/S0217984999001019. Disponível em: https://worldscientific.com/doi/10.1142/S0217984999001019. Acesso em: 14 set. 2023.
dc.identifier.doi10.1142/S0217984999001019
dc.identifier.issn0217-9849
dc.identifier.issne- 1793-6640
dc.identifier.urihttps://worldscientific.com/doi/10.1142/S0217984999001019
dc.language.isoeng
dc.publisher.countryChina
dc.publisher.departmentInstituto de Física - IF (RMG)
dc.rightsAcesso Restrito
dc.titleShort range correlation effects in a polaron gas in gaas-algaas quantum well wires
dc.typeArtigopt-BR

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