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Common sublattice-pure van Hove singularities in the kagome superconductors VSb ( = K, Rb, Cs)
Yujie Lan, Yuhao Lei, Congcong Le +7
Kagome materials offer a versatile platform for exploring correlated and topological quantum states, where van Hove singularities (VHSs) play a pivotal role in driving electronic i…
Supercurrent interference and its transfer in a kagome superconductor
Heng Wu, Houssam el Mrabet Haje, Michiel Dubbelman +4
Superconductivity represents a macroscopic quantum state notable for its rich manifestations of electronic coherence and collective behavior. Kagome materials AV3Sb5 (A= K, Cs, Rb)…
Observation of Anomalous Thermal Hall Effect in a Kagome Superconductor
Hiroki Yoshida, Hikaru Takeda, Jian Yan +8
Broken time-reversal symmetry (TRS) in superconductors can induce not only spontaneous magnetization by the finite angular momentum of Cooper pairs, but also anomalous thermal Hall…
Persistence of charge density wave fluctuations in the absence of long-range order in a hole-doped kagome metal
Terawit Kongruengkit, Andrea N. Capa Salinas, Ganesh Pokharel +3
The kagome metals VSb ( = K, Rb, Cs) exhibit a complex interplay between charge density wave (CDW) order and superconductivity. In this study, we use ultrafast cohere…
Nanoscale strain manipulation of smectic susceptibility in kagome superconductors
Yidi Wang, Hong Li, Siyu Cheng +6
Exotic quantum solids can host electronic states that spontaneously break rotational symmetry of the electronic structure, such as electronic nematic phases and unidirectional char…
AVSb Kagome Superconductors: Progress and Future Directions
Stephen D. Wilson, Brenden R. Ortiz
The recent discovery of the AVSb (A=K, Rb, Cs) kagome superconductors launched a growing field of research investigating electronic instabilities in kagome metals. Specific…
Electron-hole asymmetry in the phase diagram of carrier-tuned CsVSb
Andrea N. Capa Salinas, Brenden R. Ortiz, Calvin Bales +3
Here we study the effect of electron doping the kagome superconductor CsVSb. Single crystals and powders of CsVSbTe are synthesized and characterized via ma…
Small Fermi pockets intertwined with charge stripes and pair density wave order in a kagome superconductor
Hong Li, Dongjin Oh, Mingu Kang +13
The kagome superconductor family AV3Sb5 (A=Cs, K, Rb) emerged as an exciting platform to study exotic Fermi surface instabilities. Here we use spectroscopic-imaging scanning tunnel…
Structural evolution of the kagome superconductors VSb ( = K, Rb, and Cs) through charge density wave order
Linus Kautzsch, Brenden R. Ortiz, Krishnanand Mallayya +7
The kagome superconductors KVSb, RbVSb, and CsVSb are known to display charge density wave (CDW) order which impacts the topological characteristics of thei…
Microscopic nature of the charge-density wave in kagome superconductor RbVSb
Jonathan Frassineti, Pietro Bonfà, Giuseppe Allodi +7
The recently discovered vanadium-based kagome metals AVSb (A = K, Rb, Cs) offer the possibility to study the interplay between competing electronic orderings, such as charg…
Effect of nonhydrostatic pressure on the superconducting kagome metal CsVSb
Alexander A. Tsirlin, Brenden R. Ortiz, Martin Dressel +3
High-pressure single-crystal x-ray diffraction experiments reveal that the superconducting kagome metal CsVSb transforms from hexagonal () to monoclinic () sy…
Incommensurate charge-stripe correlations in the kagome superconductor CsVSbSn
Linus Kautzsch, Yuzki M. Oey, Hong Li +7
We track the evolution of charge correlations in the kagome superconductor CsVSb as its parent, long-ranged charge density order is destabilized. Upon hole-doping doping, i…
Bulk evidence of anisotropic -wave pairing with no sign change in the kagome superconductor CsVSb
M. Roppongi, K. Ishihara, Y. Tanaka +12
The recently discovered kagome superconductors VSb ( = K, Rb, Cs) possess a unique band structure with van Hove singularities and Dirac dispersions, in which unusual…
Tuning charge-density wave order and superconductivity in the kagome metals KVSbSn and RbVSbSn
Yuzki M. Oey, Farnaz Kaboudvand, Brenden R. Ortiz +2
The family of AVSb (A = K, Rb, Cs) kagome metals exhibit charge density wave (CDW) order, proposed to be chiral, followed by a lower temperature superconducting state. Rece…
Coexistence of Tri-Hexagonal and Star-of-David Pattern in the Charge Density Wave of the Kagome Superconductor AVSb
Yong Hu, Xianxin Wu, Brenden R. Ortiz +5
The recently discovered layered kagome metals AVSb(A=K, Rb, Cs) have attracted much attention because of their unique combination of superconductivity, charge density wave…
Superconductivity modulated by structural phase transitions in pressurized vanadium-based kagome metals
Feng Du, Rui Li, Shuaishuai Luo +10
The interplay of superconductivity with electronic and structural instabilities on the kagome lattice provides a fertile ground for the emergence of unusual phenomena. The vanadium…
Fermi level tuning and double-dome superconductivity in the kagome metals CsVSbSn
Yuzki M. Oey, Brenden R. Ortiz, Farnaz Kaboudvand +7
The recently reported \textit{A}VSb (\textit{A} = K, Rb, Cs) family of kagome metals are candidates for unconventional superconductivity and chiral charge density wave (CDW…
Evolution of superconductivity and charge order in pressurized RbVSb
Feng Du, Shuaishuai Luo, Rui Li +5
The kagome metals VSb ( K, Rb, Cs) under ambient pressure exhibit an unusual charge order, from which superconductivity emerges. In this work, by applying hydrostati…
Strain-sensitive superconductivity in kagome metals KVSb and CsVSb probed by point-contact spectroscopy
Lichang Yin, Dongting Zhang, Chufan Chen +12
The kagome lattice is host to flat bands, topological electronic structures, Van Hove singularities and diverse electronic instabilities, providing an ideal platform for realizing…
Rich Nature of Van Hove Singularities in Kagome Superconductor CsVSb
Yong Hu, Xianxin Wu, Brenden R. Ortiz +9
The recently discovered layered kagome metals AVSb (A=K, Rb, Cs) exhibit diverse correlated phenomena, which are intertwined with a topological electronic structure with mu…
Role of Sb in the superconducting kagome metal CsVSb revealed by its anisotropic compression
Alexander A. Tsirlin, Pierre Fertey, Brenden R. Ortiz +5
Pressure evolution of the superconducting kagome metal CsVSb is studied with single-crystal x-ray diffraction and density-functional band-structure calculations. A highly a…
Rotation symmetry breaking in the normal state of a kagome superconductor KV3Sb5
Hong Li, He Zhao, Brenden R. Ortiz +6
Recently discovered kagome superconductors AV3Sb5 (A=K, Rb, Cs) provide a fresh opportunity to realize and study correlation-driven electronic phenomena on a kagome lattice. The ob…
Charge-order-assisted topological surface states and flat bands in the kagome superconductor CsVSb
Yong Hu, Samuel M. L. Teicher, Brenden R. Ortiz +8
The diversity of emergent phenomena in quantum materials often arises from the interplay between different physical energy scales or broken symmetries. Cooperative interactions amo…
Nodeless superconductivity in the kagome metal CsVSb
Weiyin Duan, Zhiyong Nie, Shuaishuai Luo +13
The recently discovered kagome metal series VSb (=K, Rb, Cs) exhibits topologically nontrivial band structures, chiral charge order and superconductivity, presenting…