Dynamics of nanojets

Details Dynamics of nanojets Dynamics of nanojets

2002-01-02

arxiv.org/abs/physics/0201001v1

Physics

Fluid Dynamics

Scientific paper

10.1103/PhysRevLett.89.084502

We study the breakup of a liquid jet a few nanometers in diameter, based on a stochastic differential equation derived recently by Moseler and Landman [Science {\bf 289}, 1165 (2000)]. In agreement with their simulations, we confirm that noise qualitatively changes the characteristics of breakup, leading to symmetric profiles. Using the path integral description, we find a self-similar profile that describes the most probable breakup mode. As illustrated by a simple physical argument, noise is the driving force behind pinching, speeding up the breakup to make surface tension irrelevant.

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