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

doi:10.1103/PhysRevLett.87.166401

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

SCI - Physics

Research output: Contribution to journal › Article

5 Citations (Scopus)

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 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 (∼40m_e) are found near P_c on both the ferromagnetic and the paramagnetic sides.

Original language	English
Journal	Physical review letters
Volume	87
Issue number	16
DOIs	https://doi.org/10.1103/PhysRevLett.87.166401
Publication status	Published - 2001 Sep 28

ASJC Scopus subject areas

Physics and Astronomy(all)

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Terashima, T., Matsumoto, T., Terakura, C., Uji, S., Kimura, N., Endo, M., Komatsubara, T., & Aoki, H. (2001). Evolution of quasiparticle properties in UGe₂ with hydrostatic pressure studied via the de haas-van alphen effect. Physical review letters, 87(16). https://doi.org/10.1103/PhysRevLett.87.166401

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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.",

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AU - Terashima, T.

AU - Matsumoto, T.

AU - Terakura, C.

AU - Uji, S.

AU - Kimura, N.

AU - Endo, M.

AU - Komatsubara, T.

AU - Aoki, H.

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AB - 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.

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