Capillary Wave - Capillary Waves, Proper

Capillary Waves, Proper

The dispersion relation for capillary waves is

$\omega^2=\frac{\sigma}{\rho+\rho'}\, |k|^3,$

where ω is the angular frequency, σ the surface tension, ρ the density of the heavier fluid, ρ' the density of the lighter fluid and k the wavenumber. The wavelength is $\lambda=\frac{2 \pi}{k}.$

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