Chiral flux phase in the Kagome superconductor AV3Sb5
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In this article, the authors show that the topological charge density wave phase in the quasi-2D Kagome superconductor AV3Sb5 is a chiral flux phase.Abstract:
We argue that the topological charge density wave phase in the quasi-2D Kagome superconductor AV3Sb5 is a chiral flux phase. Considering the symmetry of the Kagome lattice, we show that the chiral flux phase has the lowest energy among those states which exhibit 2 × 2 charge orders observed experimentally. This state breaks the time-reversal symmetry and displays anomalous Hall effect. The explicit pattern of the density of state in real space is calculated. These results are supported by recent experiments and suggest that these materials are new platforms to investigate the interplay between topology, superconductivity and electron–electron correlations.read more
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Charge-density-wave-driven electronic nematicity in a kagome superconductor
L. P. Nie,Kuanglv Sun,Wanru Ma,D. Song,Lixuan Zheng,Z. Liang,P. Wu,Fanghang Yu,Jian Li,Min Shan,D. Zhao,Shunjiao Li,B. L. Kang,Yanli Zhou,Kai Liu,Ziji Xiang,J. J. Ying,Zhenyu Wang,Tao Wu,Xianhui Chen +19 more
Journal ArticleDOI
Time-reversal symmetry-breaking charge order in a kagome superconductor
TL;DR: In this paper , the muon spin relaxation was used to probe the kagome charge order and superconductivity in KV3Sb5 and the results point to time-reversal symmetry-breaking charge order intertwining with unconventional superconductivities in correlated kagomes.
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Rotation symmetry breaking in the normal state of a kagome superconductor KV3Sb5
Hong Li,He Zhao,Brenden R. Ortiz,Takamori Park,Mengxing Ye,Leon Balents,Ziqiang Wang,Stephen D. Wilson,Ilija Zeljkovic +8 more
TL;DR: In this paper, the authors used spectroscopic-imaging scanning tunneling microscopy to reveal a pronounced intensity anisotropy between different 2a0 charge density wave (CDW) directions in KV3Sb5.
Journal ArticleDOI
Electronic instabilities of kagome metals: Saddle points and Landau theory
TL;DR: In this article, the authors used a general continuum model and utilize renormalization group and mean field theory methods to identify mechanisms that can lead to the experimentally observed charge density wave ordering.
Journal ArticleDOI
Fermi Surface Mapping and the Nature of Charge-Density-Wave Order in the Kagome Superconductor CsV 3 Sb 5
Brenden R. Ortiz,Samuel M.âL. Teicher,Linus Kautzsch,P. M. Sarte,Noah Ratcliff,John Harter,Jacob P.âC. Ruff,Ram Seshadri,Stephen D. Wilson +8 more
TL;DR: A new class of kagome compounds exhibits several intriguing properties, including a novel charge-density-wave state as discussed by the authors, and quantum oscillation experiments reveal the origin of this state.
References
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