Fig. 2 (IMAGE)

The University of Osaka

Fig. 2

Caption

Maps of the vibration frequency across wavenumber space. Before shear (γ = 0, left), low-frequency vibrations gather near the center. Just before the crystal breaks (Δγ = 10⁻⁴, right), a cross-shaped low-frequency region appears, showing that the crystal becomes soft along particular directions.

Credit

Adapted from: F. Nakai, M. Otsuki, K. Saitoh, and H. Katsuragi, "Anomalous phonon dispersion near yielding in athermal crystals," Phys. Rev. E (2026). DOI: 10.1103/3lnj-1ml1.Licensed under CC BY 4.0.

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