Thermal Conductivity through the Quantum Critical Point in YbRh_{2} Si_{2} at Very Low Temperature

Author(s): M. Taupin, G. Knebel, T. D. Matsuda, G. Lapertot, Y. Machida, K. Izawa, J.-P. Brison, and J. Flouquet

Experiments with heavy-fermion materials show that quasiparticles exist at the critical point of a quantum phase transition.

[Phys. Rev. Lett. 115, 046402] Published Mon Jul 20, 2015