Anomalous Quasiparticle Reflection from the Surface of a ${}^3$He-${}^4$He Dilute Solution

Hiroki Ikegami, Kitak Kim, Daisuke Sato +3

A free surface of a dilute ${}^3$He-${}^4$He liquid mixture is a unique system where two Fermi liquids with distinct dimensions coexist: a three-dimensional (3D) ${}^3$He Fermi liquid in…