Observation of pinning mode in Wigner solid of 1/3 fractional quantum Hall excitations

Abstract

We report the observation of a resonance in the microwave spectra of the real diagonal conductivities of a two-dimensional electron system within a range of ~ +- .0.015 $fromfillingfactor$ν=1/3$.Theresonanceisremarkablysimilartoresonancespreviouslyobservednearinteger$ν$,andisinterpretedasthecollectivepinningmodeofadisorder-pinnedWignersolidphaseof$e/3$-charged carriers .

version with edits for clarity, improved Figure 3 and added reference

References in corpus (3)

• Microwave Resonance of 2D Wigner Crystal around integer Landau fillings
• Evidence for Two Different Solid Phases of Two Dimensional Electrons in High Magnetic Fields
• Possible Reentrance of the Fractional Quantum Hall Effect in the Lowest Landau Level

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