Electron-spin beat susceptibility of excitons in semiconductor quantum wells

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dc.creatorKwong, N H.
dc.creatorSchumacher, S.
dc.creatorBinder, R.
dc.date2008-04-15
dc.date.accessioned2026-07-07T09:32:43Z
dc.date.available2026-07-07T09:32:43Z
dc.descriptionRecent time-resolved differential transmission and Faraday rotation measurements of long-lived electron spin coherence in quantum wells displayed intriguing parametric dependencies. For their understanding we formulate a microscopic theory of the optical response of a gas of optically incoherent excitons whose constituent electrons retain spin coherence, under a weak magnetic field applied in the quantum well's plane. We define a spin beat susceptibility and evaluate it in linear order of the exciton density. Our results explain the many-body physics underlying the basic features observed in the experimental measurements.
dc.identifierhttps://arxiv.org/abs/0804.2418
dc.identifierhttp://arxiv.org/abs/0804.2418
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/158880
dc.subjectOther Condensed Matter
dc.titleElectron-spin beat susceptibility of excitons in semiconductor quantum wells
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