Fig. 1 (IMAGE)

The University of Osaka

Fig. 1

Caption

Grains are arranged in a regular pattern, and a shear deformation—like sliding a deck of cards sideways—is applied. The system is then slightly perturbed, and the frequencies at which it vibrates are analyzed theoretically. This revealed that, just before the crystal begins to break, unusual vibrational properties emerge that differ from those of ordinary solids.

Credit

Fumiaki Nakai

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