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cond-mat.str-el2004
Hall-effect evolution across a heavy-fermion quantum critical point
S. Paschen, T. Luhmann, S. Wirth +6
A quantum critical point (QCP) develops in a material at absolute zero when a new form of order smoothly emerges in its ground state. QCPs are of great current interest because of…
cond-mat.str-el2004
Grueneisen Ratio Divergence at the Quantum Critical Point in CeCu_{6-x}Ag_x
R. Kuechler, P. Gegenwart, K. Heuser +3
The heavy fermion system CeCuAg is studied at its antiferromagnetic quantum critical point, , by low temperature ( mK) specific heat, , and vol…
cond-mat.str-el2004
Scaling of the magnetic entropy and magnetization in YbRh_2(Si_{0.95}Ge_{0.05})_2
P. Gegenwart, Y. Tokiwa, K. Neumaier +2
The magnetic entropy of YbRh_2(Si_{0.95}Ge_{0.05})_2 is derived from low-temperature ( mK) specific heat measurements. Upon field-tuning the system to its antiferromagnet…