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Article Dans Une Revue Journal of the Physical Society of Japan Année : 2023

de Haas–van Alphen Oscillations for the Field Along c -axis in UTe 2

Résumé

We performed de Haas-van Alphen (dHvA) experiments in the spin-triplet superconductor UTe 2 for magnetic field along the c-axis above 15 T. Three fundamental dHvA frequencies, named α 1 , α 2 and β corresponding to the cross sections of cylindrical Fermi surfaces (FSs) with large cyclotron effective masses (33-43 m 0) were detected. No other fundamental dHvA frequencies were detected at high frequency range, suggesting a cylindrical-shaped electron FS without connecting at the Z point of the Brillouin zone. However, the existence of small pocket FSs associated with extremely heavy masses cannot be fully excluded.
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Dates et versions

hal-04097162 , version 1 (15-05-2023)

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Dai Aoki, Ilya Sheikin, Alix Mccollam, Jun Ishizuka, Youichi Yanase, et al.. de Haas–van Alphen Oscillations for the Field Along c -axis in UTe 2. Journal of the Physical Society of Japan, 2023, 92 (6), pp.065002. ⟨10.7566/JPSJ.92.065002⟩. ⟨hal-04097162⟩
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