High-Field Ultrasonic Study of Quadrupole Ordering and Crystal Symmetry Breaking in CeRhIn5

Abstract

We performed an ultrasonic measurement for the heavy-fermion compound CeRhIn${}_5$ to investigate the origin of the field-induced anisotropic phase in high magnetic fields. The transverse elastic constant $C_{\mathrm{T}}=(C_{11}-C_{12})/2$ and the ultrasonic attenuation coefficient ${\alpha }_{\mathrm{T}}$ show clear anomaly at $B^{\star }=28.5$ T, which was discussed as the electronic nematic transition point. In addition, $C_{\mathrm{T}}$ exhibits acoustic de Haas-van Alphen oscillation below 28.5 T. These elastic anomalies around $B^{\star }$ indicate an electric quadrupole ordering of $O_{x^2-y^2}$ accompanied by $B_{1g}$ crystal symmetry breaking and Fermi surface reconstruction due to the quadrupole-strain coupling, which results from itinerant $4f$ electrons and the $p$-$f$ hybridized state.

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Cited by in corpus (8)

• Ultrasound measurement technique for the single-turn-coil magnets
• Specific heat of CeRhIn${}_5$ in high magnetic fields: Magnetic phase diagram revisited
• Field-tunable Weyl points and large anomalous Hall effects in degenerate magnetic semiconductor EuMg${}_2$Bi${}_2$
• Field-induced valence fluctuation in YbB${}_{12}$
• Origin of the 30 T transition in CeRhIn${}_5$ in tilted magnetic fields
• Robust Fermi-Surface Morphology of CeRhIn${}_5$ across the Putative Field-Induced Quantum Critical Point
• High-Field Ultrasonic Study of CeIrIn${}_5$
• Exotic magnetic phase diagram and extremely robust antiferromagnetism in Ce${}_2$RhIn${}_8$