Chiral kagome superconductivity modulations with residual Fermi arcs

H Deng, H Qin, G Liu, T Yang, R Fu, Z Zhang, X Wu… - Nature, 2024 - nature.com
Superconductivity involving finite-momentum pairing can lead to spatial-gap and pair-
density modulations, as well as Bogoliubov Fermi states within the superconducting gap …

Evidence of a distinct collective mode in Kagome superconductors

B Hu, H Chen, Y Ye, Z Huang, X Han, Z Zhao… - Nature …, 2024 - nature.com
The collective modes of the superconducting order parameter fluctuation can provide key
insights into the nature of the superconductor. Recently, a family of superconductors has …

Evidence for time-reversal symmetry-breaking kagome superconductivity

H Deng, G Liu, Z Guguchia, T Yang, J Liu, Z Wang… - Nature Materials, 2024 - nature.com
Superconductivity and magnetism are often antagonistic in quantum matter, although their
intertwining has long been considered in frustrated-lattice systems. Here we utilize scanning …

Supercurrent diode effect in helical superconductors

J Hasan, D Shaffer, M Khodas, A Levchenko - Physical Review B, 2024 - APS
In this work, we explore the generalities of the supercurrent diode effect. As an illustrative
example, we examine a model of a two-dimensional superconductor with Rashba-type spin …

Phonon collapse and anharmonic melting of the 3D charge-density wave in kagome metals

M Gutierrez-Amigo, Ð Dangić, C Guo, C Felser… - Communications …, 2024 - nature.com
The charge-density wave (CDW) mechanism and resulting structure of the AV3Sb5 family of
kagome metals has posed a puzzling challenge since their discovery four years ago. In fact …

Signatures of chiral superconductivity in rhombohedral graphene

T Han, Z Lu, Y Yao, L Shi, J Yang, J Seo, S Ye… - arXiv preprint arXiv …, 2024 - arxiv.org
Chiral superconductors are unconventional superconducting states that break time reversal
symmetry spontaneously and typically feature Cooper pairing at non-zero angular …

Conventional superconductivity in the doped kagome superconductor Cs(V0.86Ta0.14)3Sb5 from vortex lattice studies

Y Xie, N Chalus, Z Wang, W Yao, J Liu, Y Yao… - Nature …, 2024 - nature.com
A hallmark of unconventional superconductors is a complex electronic phase diagram
where intertwined orders of charge-spin-lattice degrees of freedom compete and coexist …

Perfect superconducting diode effect in altermagnets

D Chakraborty, AM Black-Schaffer - arXiv preprint arXiv:2408.07747, 2024 - arxiv.org
We investigate intrinsic superconducting diode effect in the unconventional superconducting
state of $ d $-wave altermagnets. We find large diode efficiencies in the wide-reaching finite …

Angle-resolved photoemission spectroscopy study on kagome superconductor AV3Sb5 (A= K, Rb, Cs)

Y Cai, Z Hao, L Wang, Y Wang, Y Liu… - Superconductor …, 2024 - iopscience.iop.org
The recently discovered kagome superconductors AV3Sb5 (A= K, Rb, Cs) provide a new
platform to explore intertwined symmetry-breaking orders. However, great controversies …

Phase-separated charge order and twinning across length scales in

J Plumb, AC Salinas, K Mallayya, E Kisiel… - Physical Review …, 2024 - APS
We present x-ray scattering studies resolving structural twinning and phase separation in the
charge density wave (CDW) state of the kagome superconductor CsV 3 Sb 5. The three …