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Nonmagnetic Insulating States near the Mott Transitions on Lattices with Geometrical Frustration and Implications for κ-(ET)2Cu2(CN)3
Open accessAbstract
We study phase diagrams of the Hubbard model on anisotropic triangular lattices, which also represents a model for $κ$-type BEDT-TTF compounds. In contrast with mean-field predictions, path-integral renormalization group calculations show a universal presence of nonmagnetic insulator sandwitched by antiferromagnetic insulator and paramagnetic metals. The nonmagnetic phase does not show a simple translational symmetry breakings such as flux phases, implying a genuine Mott insulator. We discuss possible relevance on the nonmagnetic insulating phase found in $κ$-(ET)$_2$Cu$_2(CN)_3$.
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Citations
Cited by
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Balents, L. (2010) · Nature · doi:10.1038/nature08917 · Cited by 4,316
Mott physics and band topology in materials with strong spin–orbit interaction
Pesin, D., & Balents, L. (2010) · Nature Physics · doi:10.1038/nphys1606 · Cited by 1,043
Diagrammatic routes to nonlocal correlations beyond dynamical mean field theory
Rohringer, G., Hafermann, H., Toschi, A., Katanin, A. A., Antipov, A. E., Katsnelson, M. I., Lichtenstein, A. I., Rubtsov, A. N., & Held, K. (2018) · Reviews of Modern Physics · doi:10.1103/revmodphys.90.025003 · Cited by 444
Lee, S.-S., & Lee, P. A. (2005) · Physical Review Letters · doi:10.1103/physrevlett.95.036403 · Cited by 408
Quantum frustration in organic Mott insulators: from spin liquids to unconventional superconductors
Powell, B. J., & McKenzie, R. H. (2011) · Reports on Progress in Physics · doi:10.1088/0034-4885/74/5/056501 · Cited by 314
Metadata
- Authors
- Morita, H., Watanabe, S., & Imada, M.
- Venue
- Journal of the Physical Society of Japan
- Publisher
- Physical Society of Japan
- Published
- 2002-09-15
- Volume
- 71
- Issue
- 9
- Pages
- 2109-2112
- ISSN
- 0031-9015 (ISSN-L)
- 1347-4073
- OpenAlex
- W2083372383
- Cited by
- 264
- References
- 0
- FWCI
- 7.18
- Type
- journal article
- Language
- en
- Open access
- green
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- Morita, H., Watanabe, S., & Imada, M. (2002). Nonmagnetic Insulating States near the Mott Transitions on Lattices with Geometrical Frustration and Implications for κ-(ET)2Cu2(CN)3. Journal of the Physical Society of Japan. https://doi.org/10.1143/jpsj.71.2109
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