Journal
INDIAN JOURNAL OF PHYSICS
Volume 88, Issue 9, Pages 915-929Publisher
INDIAN ASSOC CULTIVATION SCIENCE
DOI: 10.1007/s12648-014-0491-9
Keywords
Composite fermions; Fractional quantum Hall effect; Quantum liquid
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Funding
- DOE [DE-SC0005042]
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Two microscopic theories have been proposed for the explanation of the fractional quantum Hall effect, namely the Haldane-Halperin hierarchy theory and the composite fermion theory. Contradictory statements have been made regarding the relation between them, ranging from their being distinct to their being completely equivalent. This article attempts to provide a clarification of the issue. It is shown that the two theories postulate distinct microscopic mechanisms for the origin of the fractional quantum Hall effect, and make substantially different predictions that have allowed experiments to distinguish between them.
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