Resonant Enhancement of Inelastic Light Scattering in the Fractional Quantum Hall Regime at $ν=1/3$

Details Resonant Enhancement of Inelastic Light Scattering in the Fractional Quantum Hall Regime at $ν=1/3$ Resonant Enhancement of Inelastic Light Scattering in the Fractional Quantum Hall Regime at $ν=1/3$

2003-07-09

arxiv.org/abs/cond-mat/0307220v1

Solid State Communications 127, 799 (2003)

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

5 pages, 5 figures

Scientific paper

10.1016/S0038-1098(03)00577-5

Strong resonant enhancements of inelastic light scattering from the long wavelength inter-Landau level magnetoplasmon and the intra-Landau level spin wave excitations are seen for the fractional quantum Hall state at $\nu = 1/3$. The energies of the sharp peaks (FWHM $\lesssim 0.2meV$) in the profiles of resonant enhancement of inelastic light scattering intensities coincide with the energies of photoluminescence bands assigned to negatively charged exciton recombination. To interpret the observed enhancement profiles, we propose three-step light scattering mechanisms in which the intermediate resonant transitions are to states with charged excitonic excitations.

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