Half-Integer Quantum Hall States in Two-Dimensional Graphite
Non-Abelian fractionalized quasiparticles in half-integer quantum Hall states have been proposed as a platform for the realization of topologically protected fault-tolerant qubits. We observe half-integer quantum Hall states out to remarkably large Landau level filling factors larger than 30 in dual-gated ∼3-10 nm-thick graphite devices. We identify most as single-component states stabilized by fractional correlations in exterior bilayers. Multicomponent (3,3,1) states with strong correlations between opposite-valley states on opposite sides of the graphite interior also appear. The facile integration of graphite with top and bottom surface gates makes thin film graphite an attractive platform to explore the physics of non-Abelian fractionalized quasiparticles.
Authors
- Nicholas Mazzucca (ORCID: https://orcid.org/0000-0002-3940-6505)
- Allan H. MacDonald (ORCID: https://orcid.org/0000-0003-3561-3379)
- Marc Bockrath (ORCID: https://orcid.org/0000-0002-7000-1442)
- Takashi Taniguchi (ORCID: https://orcid.org/0000-0002-1467-3105)
- Kenji Watanabe (ORCID: https://orcid.org/0000-0003-3701-8119)
- Bishoy M. Kousa (ORCID: https://orcid.org/0009-0007-1931-9790)
Institutions
- National Institute for Materials Science (JP)
- The Ohio State University (US)
- The University of Texas at Austin (US)
Publication Details
- Journal
- Physical Review Letters
- Published
- 2025-05-01
- DOI
- https://doi.org/10.1103/physrevlett.134.176302
- Citations
- 1
- Primary Topic
- Graphene research and applications
- Type
- article
- Field-Weighted Citation Impact
- 0.52
Funders
- U.S. Department of Energy
- Ministry of Education, Culture, Sports, Science and Technology
- Japan Society for the Promotion of Science
- Basic Energy Sciences