Normal and anomalous diffusion in a bouncing ball over an irregular surface.
basic_science · Level V
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- Record sourced from PubMed, PMID 37198794.
- Also identified by DOI 10.1103/PhysRevE.107.045001.
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Abstract
The problem of a bouncing ball on a nonplanar surface is investigated. We discovered that surface undulation adds a horizontal component to the impact force, which acquires a random character. Some aspects of Brownian motion are found in the horizontal distribution of the particle. On the x axis, normal and superdiffusion are observed. For the probability density's functional form, a scaling hypothesis is presented.