| Probing the nodal gap in the pressure-induced heavy fermion superconductor CeRhIn5 (2008) | |||||||||
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| We report field-orientation specific heat studies of the pressure-induced heavy fermion superconductor CeRhIn5. Theses experiments provide the momentum-dependent superconducting gap function for the first time in any pressure-induced superconductor. In the coexisting phase of superconductivity and antiferromagnetism, field rotation within the Ce-In plane reveals four-fold modulation in the density of states, which favors a d-wave order parameter and constrains a theory of the interplay between superconductivity and magnetism.. Comment: 5pages, 4 figures | |||||||||
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