Superconductivity and Quantum Criticality in CeCoIn_5

Details Superconductivity and Quantum Criticality in CeCoIn_5 Superconductivity and Quantum Criticality in CeCoIn_5

2002-02-14

arxiv.org/abs/cond-mat/0202251v2

Phys. Rev. Lett. 89, 157004 (2002)

Physics

Condensed Matter

Strongly Correlated Electrons

4 pages, 4 figures

Scientific paper

10.1103/PhysRevLett.89.157004

Electrical resistivity measurements on a single crystal of the heavy-fermion superconductor CeCoIn_5 at pressures to 4.2 GPa reveal a strong crossover in transport properties near P^* \approx 1.6 GPa, where T_c is a maximum. The temperature-pressure phase diagram constructed from these data provides a natural connection to cuprate physics, including the possible existence of a pseudogap.

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