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Type: Artigo de evento
Title: Statistical Mechanics Of Screened Spatially Indirect Excitons
Author: Brasil M.J.S.P.
Luyo S.J.
De Carvalho Jr. W.
Bernussi A.A.
Vasconcellos A.R.
Luzzi R.
Abstract: We study thermodynamic properties of spatially separated electron-hole plasma in double-layered systems using the Green function formalism. The screening of the Coulomb interaction is considered in the framework of Thomas-Fermi approximation, and a qualitatively new mechanism of screening by indirect excitons is taken into account. The exciton density is shown to decrease sharply with increasing electron-hole separation up to one exciton Bohr radius. The strong mutual enhancement of screening and charge-separation effects is found.
Rights: fechado
Identifier DOI: 10.1002/1521-396X(200204)190:3<655::AID-PSSA655>3.0.CO;2-7
Date Issue: 2002
Appears in Collections:Unicamp - Artigos e Outros Documentos

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