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前田 瑞穂*; 松田 達磨*; 芳賀 芳範; 白崎 謙次*; 木村 憲彰*
Journal of the Physical Society of Japan, 94(2), p.024707_1 - 024707_6, 2025/01
被引用回数：0 パーセンタイル：0.00(Physics, Multidisciplinary)We investigate the pressure dependence of the magnetoresistivity and Hall resistivity for an itinerant-electron metamagnet UCoAl. The first-order metamagnetic transition point varies as a function of hydrostatic pressure and terminates at the critical pressure 2.0 GPa. The electronic system, however, does not show criticality at this pressure but extends to higher pressures, unlike the usual quantum critical behavior.
Vali
ka, M.*; Haidamak, T.*; Cabala, A.*; Posp
il, J.*; Bastien, G.*; Sechovsk
, V.*; Prokleka, J.*; 柳澤 達也*; Opletal, P.; 酒井 宏典; et al.
Physical Review Materials (Internet), 8(9), p.094415_1 - 094415_9, 2024/09
被引用回数：2 パーセンタイル：0.00(Materials Science, Multidisciplinary)Elastic responses at the metamagnetic transition in UTe are studied at high field. The elastic anomaly becomes the strongest at the critical-end-point. Similar behavior was also observed in another metamagnet UCoAl, suggesting a universal elastic response triggered by critical magnetic fluctuations.
