PMID: 15245047Jul 13, 2004Paper

Possible observation of phase coexistence of the nu=1/3 fractional quantum hall liquid and a solid

Physical Review Letters
G A CsáthyK W West

Abstract

We have measured the magnetoresistance of a very low density and extremely high quality two-dimensional hole system. With increasing magnetic field applied perpendicularly to the sample we observe the sequence of insulating, nu=1/3 fractional quantum Hall liquid, and insulating phases. In both of the insulating phases in the vicinity of the nu=1/3 filling the magnetoresistance has an unexpected oscillatory behavior with the magnetic field. These oscillations are not of the Shubnikov-de Haas type and cannot be explained by spin effects. They are most likely the consequence of the formation of a new electronic phase which is intermediate between the correlated Hall liquid and a disorder pinned solid.

References

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Citations

Aug 4, 2020·Physical Review Letters·Meng K MaM Shayegan
Mar 16, 2007·Physical Review Letters·Y-W TanK W West
Aug 11, 2005·Physical Review Letters·G A CsáthyK W West

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