Potential barrier height on the intrasubband and intersubband quasi-one dimensional plasmons

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dc.creatorMachado, Paulo César Miranda
dc.creatorOsorio, Francisco Aparecido Pinto
dc.creatorBorges, Antonio Newton
dc.date.accessioned2023-12-13T14:20:40Z
dc.date.available2023-12-13T14:20:40Z
dc.date.issued1997
dc.description.abstractThe effects of the potential barrier height on the collective excitations of a electron gas confined in a GaAs-AlxGa1-xAs quantum wire of rectangular cross-section are investigated theoretically. For several potential barrier heights, we calculated the plasmon energy, structure factor and pair-correlation function, within the Random-Phase Approximation regime, considering a three-subband model with only the lowest subband populated by electrons. We verified that the intersubband plasmon is more sensitive to the potential barrier height variation than the intrasubband plasmon. We also observed that the confining potential effect decreases with the increasing of the wire-width.
dc.identifier.citationMACHADO, Paulo César Miranda; OSÓRIO, Francisco A. P.; BORGES, A. Newton. Potential barrier height on the intrasubband and intersubband quasi-one dimensional plasmons. Modern Physics Letters B, Singapore, v. 11, n. 9/10, p. 441-451, 1997. DOI: 10.1142/S0217984997000542. Disponível em: https://worldscientific.com/doi/10.1142/S0217984997000542. Acesso em: 14 set. 2023.
dc.identifier.doi10.1142/S0217984997000542
dc.identifier.issn0217-9849
dc.identifier.issne- 1793-6640
dc.identifier.urihttps://worldscientific.com/doi/10.1142/S0217984997000542
dc.language.isoeng
dc.publisher.countryChina
dc.publisher.departmentInstituto de Física - IF (RMG)
dc.rightsAcesso Restrito
dc.titlePotential barrier height on the intrasubband and intersubband quasi-one dimensional plasmons
dc.typeArtigo

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