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cond-mat.soft2026
The Paper-Stack Trampoline: Acoustic Restitution in Layered Media
Manou Liesker, Colton Kawamura, Maria Kieft +2
A ball bouncing on a thicker cushion should bounce less. We show that this is not always so . Measuring the coefficient of restitution of a steel ball dropped on a stack of …
cond-mat.soft2026
Proximity to Jamming Governs Acoustic Attenuation in Damped Packings
Colton Kawamura, Derek R. Olson, Anthony P. Austin +3
We use particle-based numerical simulations to address a longstanding question regarding the origins of the linear frequency dependence of attenuation in fluid-saturated granular m…