Evolution of quasiparticle properties in UGe2 with hydrostatic pressure studied via the de haas-van alphen effect

T. Terashima, T. Matsumoto, C. Terakura, S. Uji, N. Kimura, M. Endo, T. Komatsubara, H. Aoki

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Abstract

We report measurements of the de Haas-van Alphen effect in UGe2 under hydrostatic pressures up to 17.6 kbar, exceeding the critical pressure Pc for the suppression of ferromagnetism. A discontinuous change of the Fermi surface is found to occur across Pc. Substantially enhanced effective masses (∼40me) are found near Pc on both the ferromagnetic and the paramagnetic sides.

Original languageEnglish
JournalPhysical review letters
Volume87
Issue number16
DOIs
Publication statusPublished - 2001 Sep 28

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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