# Difference between revisions of "Virial (disambiguation)"

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− | The '''virial''' of a central [[ Intermolecular_pair_potential | interaction potential]] is defined by | + | The '''virial''' of a central [[ Intermolecular_pair_potential | interaction potential]] <math>v(r)</math> is defined by |

− | :<math>V(r)= | + | :<math>V(r)= \frac{dv(r)}{dr} r = - f(r) r .</math> |

Apart from historical reasons, the virial features prominently [[classical thermodynamics]] (for example, see [[Virial_equation_of_state | virial coefficients]]) and in simulation (see: [[virial pressure]]). | Apart from historical reasons, the virial features prominently [[classical thermodynamics]] (for example, see [[Virial_equation_of_state | virial coefficients]]) and in simulation (see: [[virial pressure]]). |

## Revision as of 15:14, 7 February 2008

The **virial** of a central interaction potential is defined by

Apart from historical reasons, the virial features prominently classical thermodynamics (for example, see virial coefficients) and in simulation (see: virial pressure).