Strongly correlating liquids

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Strongly correlating liquids are defined as those for whom R \ge 0.9 where (Eq. 6 [1])

R=\frac{\langle \Delta \mathcal{V} \Delta U \rangle}{ \sqrt{ \langle (\Delta \mathcal{V})^2 \rangle \langle (\Delta U)^2 \rangle  }  }

where \Delta U represents fluctuations of the potential in the NVT ensemble and \mathcal{V} is the virial (see also Virial pressure).



Lennard-Jones liquid[edit]

The liquid phase formed by the Lennard-Jones model is an example of a strongly correlating liquid[3].


Related reading