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Mean-field theory of spin-liquid states with finite energy gap and topological orders
Abstract
The mean-field theory of a T- and P-symmetric spin-liquid state is developed. The quasiparticle excitations in the spin-liquid state are shown to be spin-1/2 neutral fermions (the spinons) and charge e spinless bosons (the holons). The spin-liquid state is shown to be characterized by a nontrivial topological order. Although our discussions are based on the mean-field theory, the concept of the topological order and the associated universal properties (e.g., the quantum number of the quasiparticles) are expected to be valid beyond the mean-field theory. We also discuss the dynamical stability of the mean-field theory.
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Citations
Cited by
Non-Abelian anyons and topological quantum computation
Nayak, C., Simon, S. H., Stern, A., Freedman, M., & Das Sarma, S. (2008) · Reviews of Modern Physics · doi:10.1103/revmodphys.80.1083 · Cited by 6,861
Topological insulators with inversion symmetry
Fu, L., & Kane, C. L. (2007) · Physical Review B · doi:10.1103/physrevb.76.045302 · Cited by 4,252
Symmetry protected topological orders and the group cohomology of their symmetry group
Chen, X., Gu, Z.-C., Liu, Z.-X., & Wen, X.-G. (2013) · Physical Review B · doi:10.1103/physrevb.87.155114 · Cited by 1,311
Self-citationChen, X., Gu, Z.-C., & Wen, X.-G. (2010) · Physical Review B · doi:10.1103/physrevb.82.155138 · Cited by 891
Self-citationQuantum criticality beyond the Landau-Ginzburg-Wilson paradigm
Senthil, T., Balents, L., Sachdev, S., Vishwanath, A., & Fisher, M. P. A. (2004) · Physical Review B · doi:10.1103/physrevb.70.144407 · Cited by 834
Metadata
- Authors
- Wen, X. G.
- Venue
- Physical Review B
- Publisher
- American Physical Society (APS)
- Published
- 1991-08-01
- Volume
- 44
- Issue
- 6
- Pages
- 2664-2672
- ISSN
- 0163-1829 (ISSN-L)
- 1095-3795
- OpenAlex
- W2070170903
- Cited by
- 626
- References
- 0
- FWCI
- 0.42
- Type
- journal article
- Language
- en
- Open access
- closed
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- Wen, X. G. (1991). Mean-field theory of spin-liquid states with finite energy gap and topological orders. Physical Review B. https://doi.org/10.1103/physrevb.44.2664
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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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