Density waves in a system of non-interacting particles

E. J. Kolmes, V. I. Geyko, N. J. Fisch

Research output: Contribution to journalArticle

1 Scopus citations

Abstract

An ensemble of non-interacting bouncing balls being acted on by a constant gravitational force, starting at rest from a uniform density distribution, will develop a structure of sharply peaked density waves. We describe these waves by computing the density profile of such a system analytically, and we find that the analytical results are in good agreement with numerical findings. We suggest that in a real system, these density waves could be used to produce measurements of the strength of a gravitational field.

Original languageEnglish (US)
Pages (from-to)3061-3066
Number of pages6
JournalPhysics Letters, Section A: General, Atomic and Solid State Physics
Volume380
Issue number38
DOIs
StatePublished - Sep 7 2016

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy(all)

Keywords

  • Dynamical systems
  • Emergent phenomena
  • Gravity measurements
  • Nonlinear dynamics
  • Phase space evolution

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