Splitting of Long-Wavelength Modes of the Fractional Quantum Hall Liquid at $ν=1/3$

Details Splitting of Long-Wavelength Modes of the Fractional Quantum Hall Liquid at $ν=1/3$ Splitting of Long-Wavelength Modes of the Fractional Quantum Hall Liquid at $ν=1/3$

2004-07-06

arxiv.org/abs/cond-mat/0407145v2

Phys. Rev. Lett. 95, 066803 (2005)

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

4 pages, 4 figures

Scientific paper

10.1103/PhysRevLett.95.066803

Resonant inelastic light scattering experiments at $\nu=1/3$ reveal a novel splitting of the long wavelength modes in the low energy spectrum of quasiparticle excitations in the charge degree of freedom. We find a single peak at small wavevectors that splits into two distinct modes at larger wavevectors. The evidence of well-defined dispersive behavior at small wavevectors indicates a coherence of the quantum fluid in the micron length scale. We evaluate interpretations of long wavelength modes of the electron liquid.

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