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Non-Abelian Anyon Superconductivity

Bishara, Waheb and Nayak, Chetan (2007) Non-Abelian Anyon Superconductivity. Physical Review Letters, 99 (6). Art. No. 066401. ISSN 0031-9007.

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Non-Abelian anyons exist in certain spin models and may exist in quantum Hall systems at certain filling fractions. In this work, we studied the ground state of dynamical SU(2) level-kappa Chern-Simons non-Abelian anyons at finite density and no external magnetic field. We find that, in the large-kappa limit, the topological interaction induces a pairing instability and the ground state is a superconductor with d+id gap symmetry. We also develop a picture of pairing for the special value kappa=2 and argue that the ground state is a superfluid of pairs for all values of kappa.

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Additional Information:©2007 The American Physical Society (Received 15 March 2007; published 7 August 2007) We thank P. Bonderson, E. Demler, and K. Shtengel for helpful comments and discussions. This work has been supported by the NSF under Grant No. DMR-0411800 and the ARO under Grant No. W911NF-04-1-0236.
Issue or Number:6
Record Number:CaltechAUTHORS:BISprl07
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Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:8442
Deposited By: Archive Administrator
Deposited On:13 Aug 2007
Last Modified:02 Oct 2019 23:51

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