Evidence for a Kondo destroying quantum critical point in YbRh2Si2

Frank Steglich, Heike Pfau, Stefan Lausberg +10

The heavy-fermion metal YbRh${}_2$Si${}_2$ is a weak antiferromagnet below $T_N=0.07$ K. Application of a low magnetic field $B_c=0.06$ T ($\perp c$) is sufficient to conti…