# Difference between revisions of "Pressure equation"

Carl McBride (talk | contribs) (New page: The '''pressure equation''', also known as the '''virial equation''' is given by :<math>P^*=\frac{\beta P}{\rho}= \frac{PV}{NkT} = 1 - \beta \frac{2}{3} \pi \rho \int_0^{\infty} \left( \f...) |
Carl McBride (talk | contribs) |
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The '''pressure equation''', also known as the '''virial equation''' is given by | The '''pressure equation''', also known as the '''virial equation''' is given by | ||

:<math>P^*=\frac{\beta P}{\rho}= \frac{PV}{NkT} = 1 - \beta \frac{2}{3} \pi \rho \int_0^{\infty} \left( \frac{{\rm d}\Phi(r)} {{\rm d}r}~r \right)~{\rm g}(r)r^2~{\rm d}r</math> | :<math>P^*=\frac{\beta P}{\rho}= \frac{PV}{NkT} = 1 - \beta \frac{2}{3} \pi \rho \int_0^{\infty} \left( \frac{{\rm d}\Phi(r)} {{\rm d}r}~r \right)~{\rm g}(r)r^2~{\rm d}r</math> | ||

− | where <math>\Phi(r)</math> is a ''central'' potential and <math>{\rm g}(r)</math> is the [[pair distribution function]]. | + | where <math>\Phi(r)</math> is a ''central'' [[Intermolecular pair potential | potential]] and <math>{\rm g}(r)</math> is the [[pair distribution function]]. |

+ | [[category: statistical mechanics]] |

## Revision as of 16:38, 8 June 2007

The **pressure equation**, also known as the **virial equation** is given by

where is a *central* potential and is the pair distribution function.