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Coincidence of magnetic and valence quantum critical points in CeRhIn5 under pressure
Z. Ren, G. W. Scheerer, D. Aoki +3
We present accurate electrical resistivity measurements along the two principle crystallographic axes of the pressure-induced heavy-fermion superconductor CeRhIn5 up to 5.63 GPa. F…
Heavy-Fermion Superconductivity in CeAgSi --Interplay of Spin and Valence Fluctuations--
Gernot W. Scheerer, Zhi Ren, Gérard Lapertot +2
We present the pressure-temperature phase diagram of the antiferromagnet CeAgSi established via resistivity and calorimetry measurements under quasi-hydrostatic conditions…
The Dominant Role of Critical Valence Fluctuations on High Superconductivity in Heavy Fermions
Gernot W. Scheerer, Zhi Ren, Shinji Watanabe +4
Despite almost 40 years of research, the origin of heavy-fermion superconductivity is still strongly debated. Especially, the pressure-induced enhancement of superconductivity in C…