The precursor state to superconductivity in CeIrIn${_5}$: Unusual scaling of magnetotransport

Details The precursor state to superconductivity in CeIrIn${_5}$: Unusual scaling of magnetotransport The precursor state to superconductivity in CeIrIn${_5}$: Unusual scaling of magnetotransport

2008-08-18

arxiv.org/abs/0808.2377v1

Physics

Condensed Matter

Strongly Correlated Electrons

Scientific paper

10.1103/PhysRevB.79.094501

We present an analysis of the normal-state Hall effect and magnetoresistance in the heavy fermion superconductor CeIrIn${_5}$. It is demonstrated that the modified Kohler's scaling--which relates the magnetoresistance to the Hall angle--breaks down prior to the onset of superconductivity due to the presence of a precursor state to superconductivity in this system. A model-independent, single-parameter scaling of the Hall angle governed solely by this precursor state is observed. Neither the Hall coefficient nor the resistivity exhibit this scaling implying that this precursor state preferentially influences the Hall channel.

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