Quasi-two-dimensional Antiferromagnetic Spin Fluctuations in the Spin-triplet Superconductor Candidate CeRh${}_2$As${}_2$

Tong Chen, Hasan Siddiquee, Zack Rehfuss +10

The tetragonal heavy-fermion superconductor CeRh${}_2$As${}_2$ ($T_{\mathrm{c}}=0.3$ K) exhibits an exceptionally high critical field of 14 T for $\text{B}\parallel \text{c}$. It under…