$\ddot{I}†$ Josephson junction induced by altermagnetism

Bo Lu, Kazuki Maeda, Hiroyuki Ito +2

We study the Josephson effect in a superconductor/altermagnet/superconductor (S/AM/S) junction. We find anomalous phenomena including $0$-$\ddot{I}€$ transition as well as multi-nodal cur…