Response of the Heavy-Fermion Superconductor CeCoIn5 to Pressure: Roles of Dimensionality and Proximity to a Quantum-Critical Point
Abstract
We report measurements of the pressure-dependent superconducting transition temperature Tc and electrical resistivity of the heavy-fermion compound CeCoIn5. Pressure moves CeCoIn5 away from its proximity to a quantum-critical point at atmospheric pressure. Experimental results are qualitatively consistent with theoretical predictions for strong-coupled, d-wave superconductivity in an anisotropic 3D superconductor.
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