Heavy fermion superconductivity in the filled skutterudite compound PrOs$_4$Sb$_{12}$

Details Heavy fermion superconductivity in the filled skutterudite compound PrOs$_4$Sb$_{12}$ Heavy fermion superconductivity in the filled skutterudite compound PrOs$_4$Sb$_{12}$

2003-03-19

arxiv.org/abs/cond-mat/0303371v1

Physics

Condensed Matter

Superconductivity

4 pages, 2 figures, presented at the LT23 23rd International Conference on Low Temperature Physics, Hiroshima, Japan

Scientific paper

10.1016/S0921-4534(02)02735-1

The filled skutterudite compound \PrOsSb{} has been found to exhibit superconductivity with a critical temperature $T_\mathrm{c} = 1.85$ K that develops out of a heavy Fermi liquid with an effective mass $m^{*} \approx 50 m_\mathrm{e}$. The current experimental situation regarding the heavy fermion state, the superconducting state, and a high field, low temperature phase that is apparently associated with magnetic or quadrupolar order in \PrOsSb{} is briefly reviewed herein.

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