Source: wikibot/correlation-function-statistical-mechanics
= Correlation function (statistical mechanics)
{wiki=Correlation_function_(statistical_mechanics)}
In statistical mechanics, the correlation function is a crucial mathematical tool used to describe how the properties of a system are related at different points in space or time. It quantifies the degree to which the physical quantities (such as particle positions, spins, or other observables) at one location in the system are related to those at another location.