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Kitaev-Heisenberg Model on a Honeycomb Lattice: Possible Exotic Phases in Iridium OxidesA2IrO3
Open accessAbstract
We derive and study a spin one-half Hamiltonian on a honeycomb lattice describing the exchange interactions between Ir4+ ions in a family of layered iridates A2IrO3 (A=Li,Na). Depending on the microscopic parameters, the Hamiltonian interpolates between the Heisenberg and exactly solvable Kitaev models. Exact diagonalization and a complementary spin-wave analysis reveal the presence of an extended spin-liquid phase near the Kitaev limit and a conventional Néel state close to the Heisenberg limit. The two phases are separated by an unusual stripy antiferromagnetic state, which is the exact ground state of the model at the midpoint between two limits.
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Cites
Anyons in an exactly solved model and beyond
Kitaev, A. (2006) · Annals of Physics · doi:10.1016/j.aop.2005.10.005 · Cited by 5,245
Spin liquids in frustrated magnets
Balents, L. (2010) · Nature · doi:10.1038/nature08917 · Cited by 4,316
Cited by
Floquet Engineering of Quantum Materials
Oka, T., & Kitamura, S. (2019) · Annual Review of Condensed Matter Physics · doi:10.1146/annurev-conmatphys-031218-013423 · Cited by 999
Proximate Kitaev quantum spin liquid behaviour in a honeycomb magnet
Banerjee, A., Bridges, C. A., Yan, J.-Q., Aczel, A. A., Li, L., Stone, M. B., Granroth, G. E., Lumsden, M. D., Yiu, Y., Knolle, J., et al. (2016) · Nature Materials · doi:10.1038/nmat4604 · Cited by 835
Long-range magnetic ordering in Na2IrO3
Liu, X., Berlijn, T., Yin, W.-G., Ku, W., Tsvelik, A., Kim, Y.-J., Gretarsson, H., Singh, Y., Gegenwart, P., & Hill, J. P. (2011) · Physical Review B · doi:10.1103/physrevb.83.220403 · Cited by 353
Successive magnetic phase transitions inα−RuCl3: XY-like frustrated magnet on the honeycomb lattice
Kubota, Y., Tanaka, H., Ono, T., Narumi, Y., & Kindo, K. (2015) · Physical Review B · doi:10.1103/physrevb.91.094422 · Cited by 317
(2016) · doi:10.1103/physrevlett.117.056403 · Cited by 92
Metadata
- Authors
- Chaloupka, J., Jackeli, G., & Khaliullin, G.
- Venue
- Physical Review Letters
- Publisher
- American Physical Society (APS)
- Published
- 2010-07-09
- Volume
- 105
- Issue
- 2
- Pages
- 027204-027204
- ISSN
- 0031-9007 (ISSN-L)
- 1079-7114
- OpenAlex
- W2048639010
- Cited by
- 1,058
- References
- 2
- FWCI
- 23.58
- Type
- journal article
- Language
- en
- Open access
- green
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- Chaloupka, J., Jackeli, G., & Khaliullin, G. (2010). Kitaev-Heisenberg Model on a Honeycomb Lattice: Possible Exotic Phases in Iridium OxidesA2IrO3. Physical Review Letters. https://doi.org/10.1103/physrevlett.105.027204
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