Two-Roton Bound State in the Fractional Quantum Hall Effect

Abstract

The true nature of the lowest-energy, long-wavelength neutral excitation of the fractional quantum Hall effect has been a long outstanding problem. In this Letter, we establish that it is a two-roton bound state.

4 pages, 4 figures; Physical Review Letters, in press

References in corpus (4)

• Magneto-roton excitation of fractional quantum Hall effect: Comparison between theory and experiment
• Resonant Raman scattering by elementary electronic excitations in semiconductor structures
• Inelastic Light Scattering by Gap Excitations of Fractional Quantum Hall States at 1/3 <= ν<= 2/3
• Activation gaps for the fractional quantum Hall effect: realistic treatment of transverse thickness

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• Splitting of Long-Wavelength Modes of the Fractional Quantum Hall Liquid at $\nu =1/3$
• Quench dynamics of collective modes in fractional quantum Hall bilayers
• Study of Low Energy Spin Rotons in the Fractional Quantum Hall Effect
• Positions of the magnetoroton minima in the fractional quantum Hall effect
• Magneto-roton excitation in a holographic quantum Hall fluid
• Higher Energy Composite Fermion Levels in the Fractional Quantum Hall Effect
• Spin-texture and magneto-roton excitations at nu=1/3
• Excitons in the Fractional Quantum Hall Effect
• Shape of the magnetoroton at $\nu =1/3$ and $\nu =7/3$ in real samples
• Effective Abelian theory from a non-Abelian topological order in $\nu =2/5$ fractional quantum Hall effect
• Unified hydrodynamics theory of the lowest Landau level
• Modelling Two-Roton Bound State Formation in Fractional Quantum Hall System
• Splitting of Girvin-MacDonald-Platzman density wave and the nature of chiral gravitons in fractional quantum Hall effect
• Electronic rotons and Wigner crystallites in a two-dimensional dipole liquid
• Unlocking new regimes in fractional quantum Hall effect with quaternions
• Two-component parton fractional quantum Hall state in graphene
• Magnetoroton scattering by phonons in the fractional quantum Hall regime
• Charged Excitons of Composite Fermions in the Fractional Quantum Hall Effect