The Ground State of a Two-Dimensional Electron Liquid in a Weak Magnetic Field

Abstract

We study the ground state of a clean two-dimensional electron liquid in a weak magnetic field where $N\gg 1$ lower Landau levels are completely filled and the upper level is partially filled. It is shown that the electrons at the upper Landau level form domains with filling factor equal to one and zero. The domains alternate with a spatial period of the order of the cyclotron radius, which is much larger than the interparticle distance at the upper Landau level. The one-particle density of states, which can be probed by tunneling experiments, is shown to have a pseudogap linearly dependent on the magnetic field in the limit of large $N$.

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References in corpus (6)

• Charge Density Wave in Two-Dimensional Electron Liquid in Weak Magnetic Field
• Lifetime of Two-Dimensional Electrons Measured by Tunneling Spectroscopy
• Two - Dimensional Electron Liquid in a Weak Magnetic Field
• Collapse of Spin-Splitting in the Quantum Hall Effect
• Skyrmions in Higher Landau Levels
• Peak Values of Conductivity in Integer and Fractional Quantum Hall Effect

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