= Radial distribution function
{wiki=Radial_distribution_function}
The radial distribution function (RDF), also known as the pair distribution function (PDF), is a statistical measure used primarily in the fields of chemistry, physics, and materials science to describe how density varies as a function of distance from a reference particle within a system of particles. It provides insight into the structural properties of a material, particularly in liquids and gases but also in solids.
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