Editing Capillary waves
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:<math>E_\mathrm{g}= \iint dx\, dy\, \int_0^h dz \rho g z = \frac{\rho g}{2} \int dx\, dy\, h^2.</math> | :<math>E_\mathrm{g}= \iint dx\, dy\, \int_0^h dz \rho g z = \frac{\rho g}{2} \int dx\, dy\, h^2.</math> | ||
(For simplicity, one neglects the density of the gas above, which is often acceptable; otherwise, instead of the density the difference in densities appears). | (For simplicity, one neglects the density of the gas above, which is often acceptable; otherwise, instead of the density the difference in densities appears). Recently, a procedure has been proposed to obtain a molecular intrinsic | ||
Recently, a procedure has been proposed to obtain a molecular intrinsic | |||
surface from simulation data (Ref. 3), the [[intrinsic sampling method]]. The density profiles obtained | surface from simulation data (Ref. 3), the [[intrinsic sampling method]]. The density profiles obtained | ||
from this surface are, in general, quite different from the usual | from this surface are, in general, quite different from the usual | ||
''mean density profiles''. | ''mean density profiles''. | ||
==Gravity-capillary waves== | ==Gravity-capillary waves== | ||
These are ordinary waves excited in an interface, such as ripples on | These are ordinary waves excited in an interface, such as ripples on |