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 …

Zero-field finite-momentum and field-induced superconductivity in altermagnets

D Chakraborty, AM Black-Schaffer - Physical Review B, 2024 - APS
We explore the possibilities for spin-singlet superconductivity in newly discovered
altermagnets. Investigating d-wave altermagnets, we show that finite-momentum …

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 of striped electronic phases in a structurally modulated superlattice

A Devarakonda, A Chen, S Fang, D Graf, M Kriener… - Nature, 2024 - nature.com
The electronic properties of crystals can be manipulated by superimposing spatially periodic
electric, magnetic or structural modulations. Long-wavelength modulations incommensurate …

Sublattice modulated superconductivity in the kagome Hubbard model

T Schwemmer, H Hohmann, M Dürrnagel, J Potten… - Physical Review B, 2024 - APS
We identify a superconducting order featuring spatial pair modulations on the kagome lattice
subject to on-site Hubbard U and nearest-neighbor V interactions. Within our functional …

Nematic Ising superconductivity with hidden magnetism in few-layer 6R-TaS2

SB Liu, C Tian, Y Fang, H Rong, L Cao, X Wei… - Nature …, 2024 - nature.com
In van der Waals heterostructures (vdWHs), the manipulation of interlayer stacking/coupling
allows for the construction of customizable quantum systems exhibiting exotic physics. An …

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 …

Pair density wave, unconventional superconductivity, and non-Fermi liquid quantum critical phase in a frustrated Kondo lattice

J Chen, J Wang, Y Yang - Physical Review B, 2024 - APS
Motivated by the recent discovery of an intermediate quantum critical phase between the
antiferromagnetic order and the Fermi liquid in the frustrated Kondo lattice CePdAl, we study …

Pair-Density-Wave Superconductivity: A Microscopic Model on the 2D Honeycomb Lattice

YF Jiang, H Yao - Physical Review Letters, 2024 - APS
Pair-density wave (PDW) is a long-sought exotic state with oscillating superconducting order
without external magnetic field. So far it has been rare in establishing a 2D microscopic …

Intrinsic constraint on Tc for unconventional superconductivity

Q Qin, Y Yang - npj Quantum Materials, 2025 - nature.com
Can room temperature superconductivity be achieved in correlated materials under ambient
pressure? Our answer to this billion-dollar question is probably no, at least for realistic …