Manifestation of the Hofstadter butterfly in far-infrared absorption

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dc.creatorGudmundsson, Vidar
dc.creatorGerhardts, Rolf R.
dc.date1996-07-03
dc.date.accessioned2026-07-07T03:08:41Z
dc.date.available2026-07-07T03:08:41Z
dc.descriptionThe far-infrared absorption of a two-dimensional electron gas with a square-lattice modulation in a perpendicular constant magnetic field is calculated self-consistently within the Hartree approximation. For strong modulation and short period we obtain intra- and intersubband magnetoplasmon modes reflecting the subbands of the Hofstadter butterfly in two or more Landau bands. The character of the absorption and the correlation of the peaks to the number of flux quanta through each unit cell of the periodic potential depends strongly on the location of the chemical potential with respect to the subbands, or what is the same, on the density of electrons in the system.
dc.descriptionRevTeX file + 4 postscript figures, to be published Phys. Rev. B Rapid Comm
dc.identifierhttps://arxiv.org/abs/cond-mat/9607015
dc.identifierhttp://arxiv.org/abs/cond-mat/9607015
dc.identifierPhys. Rev. B 54, R5223-R5226 (1996)
dc.identifierdoi:10.1103/PhysRevB.54.R5223
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/27590
dc.subjectCondensed Matter
dc.titleManifestation of the Hofstadter butterfly in far-infrared absorption
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