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  • Title: Evolution of quasiparticle properties in UGe(2) with hydrostatic pressure studied via the de Haas-van Alphen effect.
    Author: Terashima T, Matsumoto T, Terakura C, Uji S, Kimura N, Endo M, Komatsubara T, Aoki H.
    Journal: Phys Rev Lett; 2001 Oct 15; 87(16):166401. PubMed ID: 11690221.
    Abstract:
    We report measurements of the de Haas-van Alphen effect in UGe (2) under hydrostatic pressures up to 17.6 kbar, exceeding the critical pressure P(c) for the suppression of ferromagnetism. A discontinuous change of the Fermi surface is found to occur across P(c). Substantially enhanced effective masses (approximately 40m(e)) are found near P(c) on both the ferromagnetic and the paramagnetic sides.
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