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Phys. Rev. Lett. 102, 176807 (2009) [4 pages]

Observable Bulk Signatures of Non-Abelian Quantum Hall States

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N. R. Cooper1 and Ady Stern2
1Theory of Condensed Matter Group, University of Cambridge, Cavendish Laboratory, J. J. Thomson Avenue, Cambridge CB3 0HE, United Kingdom
2Department of Condensed Matter Physics, Weizmann Institute of Science, Rehovot 76100, Israel

Received 17 December 2008; published 30 April 2009

We show that non-Abelian quantum Hall states can be identified by experimental measurements of the temperature dependence of either the electrochemical potential or the orbital magnetization. The predicted signals of non-Abelian statistics are within experimental resolution, and can be clearly distinguished from other contributions under realistic circumstances. The proposed measurement technique also has the potential to resolve spin-ordering transitions in low density electronic systems in the Wigner crystal and strongly interacting Luttinger liquid regimes.

© 2009 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevLett.102.176807
DOI:
10.1103/PhysRevLett.102.176807
PACS:
73.43.Cd, 05.30.Pr, 71.10.Pm