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Amorphous solids

Glasses pinned down

Laser tweezers can be used to control particles in a colloidal glass, thereby influencing the dynamics of their neighbours. The range of this influence — and how it changes — may provide a structural mechanism to explain the solidity of glasses.

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Figure 1: Sketches of different geometries for testing point-to-set correlations.

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Correspondence to Eric R. Weeks.

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Weeks, E. Glasses pinned down. Nature Phys 11, 381–382 (2015). https://doi.org/10.1038/nphys3316

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