Fermi surface of the heavy fermion superconductor PrOs$_{4}$Sb$_{12}$

H. Harima; H. Sato; H. Shishido; H. Sugawara; K. Oikawa; R. Settai; S. Osaki; S. R. Saha; Y. Aoki; Y. Inada

arxiv: cond-mat/0210601 · v2 · submitted 2002-10-28 · ❄️ cond-mat.str-el · cond-mat.supr-con

Fermi surface of the heavy fermion superconductor PrOs₄Sb₁₂

H. Sugawara , S. Osaki , S. R. Saha , Y. Aoki , H. Sato , Y. Inada , H. Shishido , R. Settai

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Y. Onuki H. Harima K. Oikawa

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classification ❄️ cond-mat.str-el cond-mat.supr-con

keywords fermifermionheavypr-basedprossuperconductorsurfacealphen

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We have investigated the de Haas-van Alphen effect in the Pr-based heavy fermion superconductor PrOs$_4$Sb$_{12}$.The topology of Fermi surface is close to the reference compound LaOs$_4$Sb$_{12}$ and well explained by the band structure calculation based on the FLAPW-LDA+U method, where the 4{\it f} electrons are localized. We have confirmed a highly enhanced cyclotron effective mass 2.4$\sim7.6m_{\rm 0}$ which is apparently large compared to the usual Pr-based compounds.

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Fermi surface of the heavy fermion superconductor PrOs₄Sb₁₂

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