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Particle-Hole Symmetry and theν=52Quantum Hall State

Open access
Lee, Sung-Sik, Ryu, Shinsei, Nayak, Chetan, Fisher, Matthew P. A.·2007·Physical Review Letters

Abstract

We discuss the implications of approximate particle-hole symmetry in a half-filled Landau level in which a paired quantum Hall state forms. We note that the Pfaffian state is not particle-hole symmetric. Therefore, in the limit of vanishing Landau-level mixing, in which particle-hole transformation is an exact symmetry, the Pfaffian spontaneously breaks this symmetry. There is a particle-hole conjugate state, which we call the anti-Pfaffian, which is degenerate with the Pfaffian in this limit. We observe that strong Landau-level mixing should favor the Pfaffian, but it is an open problem which state is favored for the moderate Landau-level mixing which is present in experiments. We discuss the bulk and edge physics of the anti-Pfaffian. We analyze a simplified model in which transitions between analogs of the two states can be studied in detail. Finally, we discuss experimental implications.

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Metadata

Authors
Lee, S.-S., Ryu, S., Nayak, C., & Fisher, M. P. A.
Venue
Physical Review Letters
Published
2007-12-06
Volume
99
Issue
23
Pages
236807-236807
ISSN
  • 0031-9007 (ISSN-L)
  • 1079-7114
OpenAlex
W2084823114
Cited by
414
References
27
FWCI
12.83
Type
journal article
Language
en
Open access
green

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CoChat. (2026). Citation check: Particle-Hole Symmetry and theν=52Quantum Hall State. https://app.cochat.ai/papers/10.1103/physrevlett.99.236807
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Lee, S.-S., Ryu, S., Nayak, C., & Fisher, M. P. A. (2007). Particle-Hole Symmetry and theν=52Quantum Hall State. Physical Review Letters. https://doi.org/10.1103/physrevlett.99.236807

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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).

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