Jarzynski equality

The Jarzynski equality is also known as the work relation or non-equilibrium work relation.

$\exp (\frac{-\mathrm{\Delta }G}{k_{B}T})=⟨\exp (\frac{-W}{k_{B}T})⟩$

References

1. C. Jarzynski "Nonequilibrium Equality for Free Energy Differences", Physical Review Letters 78 2690-2693 (1997)
2. E. G. D. Cohen; D. Mauzerall "The Jarzynski equality and the Boltzmann factor", Molecular Physics 103 pp. 2923 - 2926 (2005)