One-dimensional inelastic collapse of four particles: asymmetric collision sequences and spherical billiard reduction

Fuente: arXiv
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Autori principali: Dolmaire, Théophile, Hübner-Rosenau, Eleni
Natura: Preprint
Pubblicazione: 2024
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author Dolmaire, Théophile
Hübner-Rosenau, Eleni
author_facet Dolmaire, Théophile
Hübner-Rosenau, Eleni
contents We consider a one-dimensional system of four inelastic hard spheres, colliding with a fixed restitution coefficient $r$, and we study the inelastic collapse phenomenon for such a particle system. We study a periodic, asymmetric collision pattern, proving that it can be realized, despite its instability. We prove that we can associate to the four-particle dynamical system another dynamical system of smaller dimension, acting on $\{1,2,3\} \times \mathbb{S}^2$, and that encodes the collision orders of each trajectory. We provide different representations of this new dynamical system, and study numerically its $ω$-limit sets. In particular, the numerical simulations suggest that the orbits of such a system might be quasi-periodic.
format Preprint
id arxiv_https___arxiv_org_abs_2411_10324
institution arXiv
publishDate 2024
record_format arxiv
spellingShingle One-dimensional inelastic collapse of four particles: asymmetric collision sequences and spherical billiard reduction
Dolmaire, Théophile
Hübner-Rosenau, Eleni
Dynamical Systems
Mathematical Physics
We consider a one-dimensional system of four inelastic hard spheres, colliding with a fixed restitution coefficient $r$, and we study the inelastic collapse phenomenon for such a particle system. We study a periodic, asymmetric collision pattern, proving that it can be realized, despite its instability. We prove that we can associate to the four-particle dynamical system another dynamical system of smaller dimension, acting on $\{1,2,3\} \times \mathbb{S}^2$, and that encodes the collision orders of each trajectory. We provide different representations of this new dynamical system, and study numerically its $ω$-limit sets. In particular, the numerical simulations suggest that the orbits of such a system might be quasi-periodic.
title One-dimensional inelastic collapse of four particles: asymmetric collision sequences and spherical billiard reduction
topic Dynamical Systems
Mathematical Physics
url https://arxiv.org/abs/2411.10324