The phase diagram of antiferromagnetism and superconductivity in CeRhIn5: A study of115in NQR under pressure

S. Kawasaki, M. Yashima, T. Mito, Y. Kawasaki, G. Q. Zheng, Y. Kitaoka, D. Aoki, Y. Haga, Y. Onuki

Research output: Contribution to journalArticlepeer-review

12 Citations (Scopus)


We report on the pressure (P) versus temperature (T) phase diagram of the P-induced heavy fermion (HF) superconductor CeRhIn5 via nuclear quadrupole resonance (NQR) measurements under P. At P = 2.1 GPa, the T dependence of the nuclear spin-lattice relaxation rate 1/T1 revealed antiferromagnetic critical fluctuations due to the closeness of antiferromagnetism. As P decreases slightly down to 1.9 GPa, a pseudogap emerges above Tc ∼ 2 K, suggesting the appearance of superconducting fluctuations associated with a strong coupling effect among quasiparticles.

Original languageEnglish
Pages (from-to)S889-S893
JournalJournal of Physics Condensed Matter
Issue number11
Publication statusPublished - Mar 23 2005

ASJC Scopus subject areas

  • Materials Science(all)
  • Condensed Matter Physics


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