Duh Henderson

The Duh-Henderson (Ref. 1) (1996) Bridge function retains the Duh Haymet Bridge function for $\gamma ^{*}\geq 0$, and for $\gamma ^{*}\leq 0$ (Eq. 17)

$B(\gamma ^{*})=-{\frac {1}{2}}\gamma ^{*2}$

References

1. Der-Ming Duh and Douglas Henderson "Integral equation theory for Lennard-Jones fluids: The bridge function and applications to pure fluids and mixtures", Journal of Chemical Physics, 104 pp. 6742-6754 (1996)