Abstract

The magnetization and resistivity studies in magnetic fields up to 45 T were used to establish magnetic field versus temperature phase diagram and quantum criticality in U ( Ru 1 - x Rh x ) 2 Si 2 . For x = 4 % , the hidden order is completely destroyed, stabilizing a single field-induced phase II. A correlation between the field dependence of this phase and that of the quantum critical point, combined with the suppression of the T 2 coefficient of the resistivity within it, shows that the field-tuned quantum criticality is intimately related to the phase formation.

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