T/B scaling without quasiparticle mass divergence: YbCo2Ge4

A. Sakai, K. Kitagawa, K. Matsubayashi +2

YbCo${}_2$Ge${}_4$ is a clean paramagnetic Kondo lattice which displays non-Fermi liquid behavior. We report a detailed investigation of the specific heat, magnetic Grüneisen parameter…