Resonant Raman scattering of quantum wire in strong magnetic field

Details Resonant Raman scattering of quantum wire in strong magnetic field Resonant Raman scattering of quantum wire in strong magnetic field

1999-03-15

arxiv.org/abs/cond-mat/9903225v1

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

RevTex file, 6 pages, no figure: To appear in Int. Jour. Mod. Phys. B

Scientific paper

10.1142/S0217979299002381

The resonant Raman scattering of a quantum wire in a strong magnetic field is studied, focused on the effect of long range Coulomb interaction and the spin-charge separation. The energy-momentum dispersions of charge and spin excitation obtained from Raman cross-section show the characteristc cross-over behaviour induced by inter-edge Coulomb interaction. The "SPE" peak near resonance in polarized spectra becomes broad due to the momentum dependence of charge velocity. The broad peak in the depolarized spectra is shown to originate from the disparity between charge and spin excitation velocity.

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