Parametrically excited water surface ripples as ensembles of oscillons

TL;DR

This paper demonstrates that water surface ripples driven by vertical vibrations are ensembles of oscillons, whose behavior and spectral properties are influenced by factors like mobility and protein additives, revealing transitions between chaos and order.

Contribution

It introduces the concept of ripples as ensembles of oscillons and explores how their mobility and physical properties affect surface wave patterns and spectral characteristics.

Findings

Oscillons are the fundamental entities of water surface ripples.

Protein additives significantly alter oscillon mobility and pattern order.

Transitions from chaos to order are driven by changes in oscillon dynamics.

Abstract

We show that ripples on the surface of deep water which are driven parametrically by monochromatic vertical vibration represent ensembles of oscillating solitons, or quasi-particles, rather than waves. Horizontal mobility of oscillons determines the broadening of spectral lines and transitions from chaos to regular patterns. It is found that microscopic additions of proteins to water dramatically affect the oscillon mobility and drive transitions from chaos to order. The shape of the oscillons in physical space determines the shape of the frequency spectra of the surface ripple.