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Anyon Condensation and Continuous Topological Phase Transitions in Non-Abelian Fractional Quantum Hall States

Author(s)
Barkeshli, Maissam; Wen, Xiao-Gang
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Abstract
We find a series of possible continuous quantum phase transitions between fractional quantum Hall states at the same filling fraction in two-component quantum Hall systems. These can be driven by tuning the interlayer tunneling and/or interlayer repulsion. One side of the transition is the Halperin (p,p,p-3) Abelian two-component state, while the other side is the non-Abelian Z[subscript 4] parafermion (Read-Rezayi) state. We predict that the transition is a continuous transition in the 3D Ising class. The critical point is described by a Z[subscript 2] gauged Ginzburg-Landau theory. These results have implications for experiments on two-component systems at [nu]=2/3 and single-component systems at [nu]=8/3.
Date issued
2010-11
URI
http://hdl.handle.net/1721.1/62172
Department
Massachusetts Institute of Technology. Department of Physics
Journal
Physical Review Letters
Publisher
American Physical Society
Citation
Barkeshli, Maissam and Wen, Xiao-Gang. "Anyon Condensation and Continuous Topological Phase Transitions in Non-Abelian Fractional Quantum Hall States." Phys. Rev. Lett. 105.21 (2010) © 2010 The American Physical Society.
Version: Final published version
ISSN
0031-9007

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