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Chen YP, Lewis RM, Engel LW, et al. Evidence for two different solid phases of two-dimensional electrons in high magnetic fields. Phys Rev Lett. 2004;93(20):206805doi: 10.1103/PhysRevLett.93.206805.
Chen, Y. P., Lewis, R. M., Engel, L. W., Tsui, D. C., Ye, P. D., Wang, Z. H., Pfeiffer, L. N., & West, K. W. (2004). Evidence for two different solid phases of two-dimensional electrons in high magnetic fields. Physical review letters, 93(20), 206805. https://doi.org/10.1103/PhysRevLett.93.206805
Chen, Yong P, et al. "Evidence for two different solid phases of two-dimensional electrons in high magnetic fields." Physical review letters vol. 93,20 (2004): 206805. doi: https://doi.org/10.1103/PhysRevLett.93.206805
Chen YP, Lewis RM, Engel LW, Tsui DC, Ye PD, Wang ZH, Pfeiffer LN, West KW. Evidence for two different solid phases of two-dimensional electrons in high magnetic fields. Phys Rev Lett. 2004 Nov 12;93(20):206805. doi: 10.1103/PhysRevLett.93.206805. Epub 2004 Nov 11. PMID: 15600955.
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Phys Rev Lett. 2004 Nov 12;93(20):206805. doi: 10.1103/PhysRevLett.93.206805. Epub 2004 Nov 11.

Evidence for two different solid phases of two-dimensional electrons in high magnetic fields.

Physical review letters

Yong P Chen, R M Lewis, L W Engel, D C Tsui, P D Ye, Z H Wang, L N Pfeiffer, K W West

Affiliations

  1. Department of Electrical Engineering, Princeton University, Princeton, New Jersey 08544, USA.

PMID: 15600955 DOI: 10.1103/PhysRevLett.93.206805

Abstract

We have observed two different rf resonances in the frequency dependent real diagonal conductivity of very high quality two-dimensional electron systems in the high magnetic field insulating phase and interpret them as coming from two different pinned electron solid phases (labeled as "A" and "B"). The "A" resonance is observable for Landau level filling nu<2/9 [reentrant around the nu=1/5 fractional quantum Hall effect (FQHE)] and then crosses over to the different "B" resonance which dominates at sufficiently low nu. Moreover, the "A" resonance is found to show dispersion with respect to the size of the transmission line, indicating that the "A" phase has a large correlation length. We suggest that quantum correlations such as those responsible for FQHE may play an important role in giving rise to such different solids.

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