A superconducting diode enables supercurrent to flow in only one direction, providing new
functionalities for superconducting circuits. In recent years, there has been experimental …

Stimulated by the recent experiment [F. Ando, Nature (London) 584, 373 (2020). NATUAS
0028-0836 10.1038/s41586-020-2590-4], we propose an intrinsic mechanism to cause the …

When both inversion and time-reversal symmetries are broken, the critical current of a
superconductor can be nonreciprocal. In this work, we show that, in certain classes of two …

The spin-orbit coupling field, an atomic magnetic field inside a Kramers' system, or discrete
symmetries can create a topological torus in the Brillouin Zone and provide protected edge …

A two-dimensional, anisotropic superconductivity was recently found at the KTaO3 (111)
interfaces. The nature of the anisotropic superconducting transition remains a subject of …

Nonreciprocity in superconductors is attracting much interest owing to its fundamental
importance as well as the potential applicability to engineering. In this paper, we generalize …

SrTiO 3 is an incipient ferroelectric that is believed to exhibit a prototype displacive, soft
mode ferroelectric transition when subjected to mechanical stress or alloying. We use high …

The nature of superconductivity and its interplay with strong spin–orbit coupling at the
KTaO3 (111) interfaces remain a subject of debate. To address this problem, we grew …

The mechanisms by which itinerant carriers compete with polar crystal distortions are a key
unresolved issue for polar superconductors, which offer new routes to unconventional …

We show that the Zeeman field can induce a topological transition in two-dimensional spin–
orbit-coupled metals and, concomitantly, a first-order phase transition in the …