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dc.contributor.CRUESPUNIVERSIDADE DE ESTADUAL DE CAMPINASpt_BR
dc.typeArtigo de periódicopt_BR
dc.titlePhotoinjected Carrier's Acoustic Plasma Oscillationspt_BR
dc.contributor.authorEsperidiao A.S.pt_BR
dc.contributor.authorVasconcellos A.R.pt_BR
dc.contributor.authorLuzzi R.pt_BR
unicamp.authorVasconcellos, A.R., Instituto de Física, Universidade Estadual de Campinas, CP 6165, 13081 Campinas, SP, Brazilpt_BR
unicamp.authorLuzzi, R., Instituto de Física, Universidade Estadual de Campinas, CP 6165, 13081 Campinas, SP, Brazilpt_BR
unicamp.author.externalEsperidião, A.S., Instituto de Física, Universidade Federal da Bahia, 40211 Fortaleza, BA, Brazilpt
dc.description.abstractResorting to the Nonequilibrium Statistical Operator Method (NSOM) we calculate the Raman spectrum of the double (electrons and holes) photoinjected plasma in direct-gap polar semiconductors. It allows us to identify four types of elementary excitations in the photoexcited carrier system. Besides the expected Raman bands corresponding to single quasi-particle excitations and a higher frequency plasma wave (labelled optical), there appear two low-frequency bands. They show a linear energy dispersion relation and are labelled acoustic plasma oscillations. While the optical plasma branch is ascribed to the out of phase collective movement of both types of carriers interacting through the bare Coulomb interaction, the acoustic branches are ascribed to the in-phase oscillation of each type of carriers interacting through the screened part of Coulomb interaction. © 1989.en
dc.relation.ispartofSolid State Electronicspt_BR
dc.date.issued1989pt_BR
dc.identifier.citationSolid State Electronics. , v. 32, n. 12, p. 1225 - 1227, 1989.pt_BR
dc.language.isoenpt_BR
dc.description.volume32pt_BR
dc.description.issuenumber12pt_BR
dc.description.firstpage1225pt_BR
dc.description.lastpage1227pt_BR
dc.rightsfechadopt_BR
dc.sourceScopuspt_BR
dc.identifier.issn381101pt_BR
dc.identifier.doi10.1016/0038-1101(89)90218-9pt_BR
dc.identifier.urlhttp://www.scopus.com/inward/record.url?eid=2-s2.0-0024930620&partnerID=40&md5=bdb8ef3a2075cc8d074763205659d722pt_BR
dc.date.available2015-06-30T13:42:21Z
dc.date.available2015-11-26T14:37:56Z-
dc.date.accessioned2015-06-30T13:42:21Z
dc.date.accessioned2015-11-26T14:37:56Z-
dc.description.provenanceMade available in DSpace on 2015-06-30T13:42:21Z (GMT). No. of bitstreams: 1 2-s2.0-0024930620.pdf: 134345 bytes, checksum: 0d33d4a7d8d88e8aa4a3410187588d5b (MD5) Previous issue date: 1989en
dc.description.provenanceMade available in DSpace on 2015-11-26T14:37:56Z (GMT). No. of bitstreams: 1 2-s2.0-0024930620.pdf: 134345 bytes, checksum: 0d33d4a7d8d88e8aa4a3410187588d5b (MD5) Previous issue date: 1989en
dc.identifier.urihttp://www.repositorio.unicamp.br/handle/REPOSIP/98455
dc.identifier.urihttp://repositorio.unicamp.br/jspui/handle/REPOSIP/98455-
dc.identifier.idScopus2-s2.0-0024930620pt_BR
dc.description.referenceTomé, Vasconcellos, Luzzi, (1987) Physica, 144 B, pp. 376-390pt_BR
dc.description.referenceZubarev, (1974) Nonequilibrium Statistical Thermodynamics, , Plenum Press, New Yorkpt_BR
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