Metastability of the Skyrmion Lattice in ${\mathrm{GdRu}}_{2}{\mathrm{Si}}_{2}$ Revealed by Ultrasound
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论文直接研究GdRu2Si2中skyrmion晶格的磁弹性响应和亚稳态，揭示磁场下skyrmion相的超声异常。
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Author(s): J. Sourd, D. A. Mayoh, G. Balakrishnan, J. Wosnitza, and S. Zherlitsyn We report on the low-temperature magnetoelastic properties of the skyrmion-lattice compound ${\mathrm{GdRu}}_{2}{\mathrm{Si}}_{2}$ under magnetic fields applied along the [001] axis. Our sound-velocity measurements reveal a series of pronounced anomalies related to the skyrmion-lattice phase. The em… [Phys. Rev. Lett. 137, 066703] Published Fri Aug 07, 2026