Non-Fermi liquid states in the pressurized $CeC{u}_2(S{i}_{1-x}G{e}_x{)}_2$ system: two critical points

H. Q. Yuan, F. M. Grosche, M. Deppe +3

In the archetypal strongly correlated electron superconductor CeCu${}_2$Si${}_2$ and its Ge-substituted alloys CeCu${}_2$(Si${}_{1-x}$Ge${}_x$)${}_2$ two quantum phase transitions -- one mag…