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|Type:||Artigo de evento|
|Title:||Statistical Mechanics Of Screened Spatially Indirect Excitons|
De Carvalho Jr. W.
|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.|
|Appears in Collections:||Unicamp - Artigos e Outros Documentos|
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