Mott transition from a diluted exciton gas to a dense electron-hole plasma in a single V-shaped quantum wire

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dc.creatorGuillet, Thierry
dc.creatorGrousson, Roger
dc.creatorVoliotis, Valia
dc.creatorMenant, Michel
dc.creatorWang, Xue-Lun
dc.creatorOgura, Mutsuo
dc.date2003-01-14
dc.date2003-09-05
dc.date.accessioned2026-07-07T02:49:08Z
dc.date.available2026-07-07T02:49:08Z
dc.descriptionWe report on the study of many-body interactions in a single high quality V-shaped quantum wire by means of continuous and time-resolved microphotoluminescence. The transition from a weakly interacting exciton gas when the carrier density n is less than 10^5 cm^-1 (i.e. n aX < 0.1, with aX the exciton Bohr radius), to a dense electron-hole plasma (n > 10^6 cm^-1, i.e. n aX > 1) is systematically followed in the system as the carrier density is increased. We show that this transition occurs gradually : the free carriers first coexist with excitons for n aX > 0.1, then the electron-hole plasma becomes degenerate at n aX = 0.8. We also show that the non-linear effects are strongly related to the kind of disorder and localization properties in the structure especially in the low density regime.
dc.description5 figures
dc.identifierhttps://arxiv.org/abs/cond-mat/0301229
dc.identifierhttp://arxiv.org/abs/cond-mat/0301229
dc.identifierPhys. Rev. B 67, 235324 (2003)
dc.identifierdoi:10.1103/PhysRevB.67.235324
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/20679
dc.subjectCondensed Matter
dc.titleMott transition from a diluted exciton gas to a dense electron-hole plasma in a single V-shaped quantum wire
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