Field-Angle Dependence Reveals Odd-Parity Superconductivity in

JF Landaeta, P Khanenko, DC Cavanagh, C Geibel… - Physical Review X, 2022 - APS
CeRh 2 As 2 is an unconventional superconductor with multiple superconducting phases
and T c= 0.26 K. When H∥ c, it shows a field-induced transition at μ 0 H*= 4 T from a low …

Triplet Pairing Mechanisms from Hund's-Kondo Models: Applications to and

T Hazra, P Coleman - Physical review letters, 2023 - APS
Observing that several U and Ce based candidate triplet superconductors share a common
structural motif, with pairs of magnetic atoms separated by an inversion center, we …

Discovery of Magnetic Phase Transitions in Heavy-Fermion Superconductor

G Chajewski, D Kaczorowski - Physical Review Letters, 2024 - APS
We report on the specific heat studies performed on a new generation of CeRh 2 As 2 single
crystals. Superior quality of the samples and dedicated experimental protocol allowed us to …

Nonsymmorphic symmetry and field-driven odd-parity pairing in

DC Cavanagh, T Shishidou, M Weinert, PMR Brydon… - Physical Review B, 2022 - APS
Recently, evidence has emerged for a field-induced even-to odd-parity superconducting
phase transition in Ce Rh 2 As 2 [S. Khim, Science 373, 1012 (2021)] 10.1126/science …

Parity transition of spin-singlet superconductivity using sublattice degrees of freedom

S Ogata, S Kitagawa, K Kinjo, K Ishida, M Brando… - Physical review …, 2023 - APS
Recently, a superconducting (SC) transition from low-field (LF) to high-field (HF) SC states
was reported in CeRh 2 As 2, indicating the existence of multiple SC states. It has been …

Even-odd parity transition in strongly correlated locally noncentrosymmetric superconductors: Application to

K Nogaki, Y Yanase - Physical Review B, 2022 - APS
The discovery of the multiple HT phase diagram of CeRh 2 As 2 offers a new route to
designing topological superconductors. Although weak-coupling theories explain the …

Coexistence of near- Flat Band and Van Hove Singularity in a Two-Phase Superconductor

X Chen, L Wang, J Ishizuka, R Zhang, K Nogaki… - Physical Review X, 2024 - APS
Quantum many-body systems, particularly, the ones with large near-EF density states, are
well known for exhibiting rich phase diagrams as a result of enhanced electron correlations …

Topological crystalline superconductivity in locally noncentrosymmetric

K Nogaki, A Daido, J Ishizuka, Y Yanase - Physical Review Research, 2021 - APS
Recent discovery of superconductivity in CeRh 2 As 2 clarified an unusual HT phase
diagram with two superconducting phases [Khim et al. Science, 373, 1012 (2021) …

Exploring possible Fermi surface nesting and the nature of heavy quasiparticles in the spin-triplet superconductor candidate

B Chen, H Liu, QY Wu, C Zhang, XQ Ye, YZ Zhao… - Physical Review B, 2024 - APS
In this Letter, we investigate the electronic structure of a spin-triplet superconductor
candidate CeRh 2 As 2 using high-resolution angle-resolved photoemission spectroscopy …

Two-Dimensional XY-Type Magnetic Properties of Locally Noncentrosymmetric Superconductor CeRh2As2

S Kitagawa, M Kibune, K Kinjo, M Manago… - Journal of the Physical …, 2022 - journals.jps.jp
We performed 75As-NMR measurements to investigate the normal-state magnetic
properties of CeRh2As2, a recently-discovered heavy-fermion superconductor. The …