The absorption spectrum around nu=1: evidence for a small size Skyrmion

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dc.creatorGroshaus, J. G.
dc.creatorUmansky, V.
dc.creatorShtrikman, H.
dc.creatorLevinson, Y.
dc.creatorBar-Joseph, I.
dc.date2004-06-30
dc.date.accessioned2026-07-07T08:49:07Z
dc.date.available2026-07-07T08:49:07Z
dc.descriptionWe measure the absorption spectrum of a two-dimensional electron system (2DES) in a GaAs quantum well in the presence of a perpendicular magnetic field. We focus on the absorption spectrum into the lowest Landau Level around nu=1. We find that the spectrum consists of bound electron-hole complexes, trion and exciton like. We show that their oscillator strength is a powerful probe of the 2DES spatial correlations. We find that near nu=1 the 2DES ground state consists of Skyrmions of small size (a few magnetic lengths).
dc.descriptionTo be published in Phys Rev Lett. To be presented in ICSP2004, Flagstaff, Arizona. 4 figures (1 of them in color). 5 pages
dc.identifierhttps://arxiv.org/abs/cond-mat/0406756
dc.identifierhttp://arxiv.org/abs/cond-mat/0406756
dc.identifierPhys. Rev. Lett. 93, 096802 (2004)
dc.identifierdoi:10.1103/PhysRevLett.93.096802
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/144183
dc.subjectStrongly Correlated Electrons
dc.subjectMesoscale and Nanoscale Physics
dc.titleThe absorption spectrum around nu=1: evidence for a small size Skyrmion
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