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Doped kagome system as exotic superconductor
Open accessAbstract
A Chern-Simons theory for the doped spin-1/2 kagome system is constructed, from which it is shown that the system is an exotic superconductor that breaks time-reversal symmetry. It is also shown that the system carries minimal vortices of flux $hc/4e$ (as opposed to the usual $hc/2e$ in conventional superconductors) and contains fractional quasiparticles (including fermionic quasiparticles with semionic mutual statistics and spin-1/2 quasiparticles with bosonic self-statistics) in addition to the usual spin-1/2 fermionic Bogoliubov quasiparticles. Two Chern-Simons theories---one with an auxiliary gauge field kept and one with the auxiliary field and a redundant matter field directly eliminated---are presented and shown to be consistent with each other.
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Cited by
Chen, X., Gu, Z.-C., & Wen, X.-G. (2010) · Physical Review B · doi:10.1103/physrevb.82.155138 · Cited by 891
Self-citationRoton pair density wave in a strong-coupling kagome superconductor
Chen, H., Yang, H., Hu, B., Zhao, Z., Yuan, J., Xing, Y., Qian, G., Huang, Z., Li, G., Ye, Y., et al. (2021) · Nature · doi:10.1038/s41586-021-03983-5 · Cited by 622
Liang, Z., Hou, X., Zhang, F., Ma, W., Wu, P., Zhang, Z., Yu, F., Ying, J.-J., Jiang, K., Shan, L., et al. (2021) · Physical Review X · doi:10.1103/physrevx.11.031026 · Cited by 404
Ortiz, B. R., Teicher, S. M. L., Kautzsch, L., Sarte, P. M., Ratcliff, N., Harter, J., Ruff, J. P. C., Seshadri, R., & Wilson, S. D. (2021) · Physical Review X · doi:10.1103/physrevx.11.041030 · Cited by 312
Kagome superconductors AV3Sb5 (A = K, Rb, Cs)
Jiang, K., Wu, T., Yin, J.-X., Wang, Z., Hasan, M. Z., Wilson, S. D., Chen, X., & Hu, J. (2023) · National Science Review · doi:10.1093/nsr/nwac199 · Cited by 259
Metadata
- Authors
- Ko, W.-H., Lee, P. A., & Wen, X.-G.
- Venue
- Physical Review B
- Publisher
- American Physical Society (APS)
- Published
- 2009-06-02
- Volume
- 79
- Issue
- 21
- ISSN
- 1098-0121 (ISSN-L)
- 1550-235X
- OpenAlex
- W2039207947
- Cited by
- 178
- References
- 0
- FWCI
- 1.28
- Type
- journal article
- Language
- en
- Open access
- bronze
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- Ko, W.-H., Lee, P. A., & Wen, X.-G. (2009). Doped kagome system as exotic superconductor. Physical Review B. https://doi.org/10.1103/physrevb.79.214502
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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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