Enhancement of charge-neutral fermionic excitation near spin-flop transition\\ in magnetic Kondo material YbIr${}_3$Si${}_7$

Shunsaku Kitagawa, Takumi Kobayashi, Fumiya Hori +4

The new Kondo material YbIr${}_3$Si${}_7$, similar to other Kondo insulators, has been reported to exhibit charge-neutral fermionic excitations through measurements of specific heat an…