Ambient-pressure bulk superconductivity deep in the magnetic state of CeRhIn5

Abstract

Specific heat, magnetic susceptibility and electrical transport measurements were performed at ambient pressure on high-quality single crystal specimens of CeRhIn5 down to ultra-low temperatures. We report signatures of an anomaly observed in all measured quantities consistent with a bulk phase transition to a superconducting state at T_c=110 mK. Occurring far below the onset of antiferromagnetism at T_N=3.8 K, this transition appears to involve a significant portion of the available low-temperature density of electronic states, exhibiting an entropy change in line with that found in other members of the 115 family of superconductors tuned away from quantum criticality.

4 pages, 4 figures

References in corpus (4)

• Hidden Magnetism and Quantum Criticality in the Heavy Fermion Superconductor CeRhIn5
• Unpaired Electrons in the Heavy-Fermion Superconductor CeCoIn_{5}
• Spectroscopic Evidence for Multiple Order Parameter Components in the Heavy Fermion Superconductor CeCoIn_5
• Hybrid gap structure in the heavy-fermion superconductor CeIrIn${}_5$

Cited by in corpus (6)

• Fermi Surface Reconstruction in CeRh${}_{1-x}$Co${}_x$In${}_5$
• Anisotropic Dependence of Superconductivity on Uniaxial Pressure in CeIrIn5
• 4/-hybridization strength in CemMnIn3m+2n heavy-fermion compounds studied by Angle-Resolved Photoemission Spectroscopy
• Anisotropic excitonic magnetism from discrete ${\mathrm{C}}_4$ symmetry in CeRhIn${}_5$
• Sub-Phases in the Superconducting State of CeIrIn${}_5$ Revealed by Low Temperature $c$-axis Heat Transport
• Magnetic field tuned superconducting and normal phase magnetism in CeCo${}_{0.5}$Rh${}_{0.5}$In${}_5$