Reentrant Landau levels in a Dirac topological insulator
down to 700 mK and up to 60 T, with a temperature and magnetic field dependence that violates the Lifshitz-Kosevich framework. We show that nonlinear Landau-level back-bending, arising from the interplay of cyclotron energy and strong spin-orbit coupling in a non-interacting Dirac system, captures all observed regimes and provides a foundation for understanding the electron dynamics of Dirac topological insulators beyond the quantum limit.
Authors
- John Singleton (ORCID: https://orcid.org/0000-0001-6109-6905)
- Qingsong Jiang (ORCID: https://orcid.org/0000-0002-4823-1153)
- Elizabeth A. Peterson (ORCID: https://orcid.org/0000-0001-5379-3604)
- Joshua Mutch (ORCID: https://orcid.org/0000-0003-4739-7968)
- J. -H. Chu
- J. Larrea Jiménez (ORCID: https://orcid.org/0000-0002-8451-8469)
- J. P. Ayres-Sims
- Daniel Bulmash (ORCID: https://orcid.org/0000-0001-8978-4531)
- Christopher A. Mizzi (ORCID: https://orcid.org/0000-0002-4209-854X)
- P. F. S. Rosa
- N. M. Harrison (ORCID: https://orcid.org/0000-0001-7498-8144)
- Jian‐Xin Zhu (ORCID: https://orcid.org/0000-0001-7991-3918)
- C. Kaufmann Ribeiro
- Johanna C. Palmstrom (ORCID: https://orcid.org/0000-0002-9204-0629)
- Km Rubi (ORCID: https://orcid.org/0000-0003-1496-8218)
- Sarah M. Thomas
Institutions
- Los Alamos National Laboratory (US)
- Universidade de São Paulo (BR)
- United States Naval Academy (US)
- University of Washington (US)
- National High Magnetic Field Laboratory (US)
Publication Details
- Journal
- Nature Communications
- Published
- 2026-05-22
- DOI
- https://doi.org/10.1038/s41467-026-72885-9
- Primary Topic
- Topological Materials and Phenomena
- Type
- article
- Field-Weighted Citation Impact
- 0.00