There is a relation between the Fermi function and hyperbolic tangent:
Using this relation one can show that Fermi-Jagla model is equivalent to the generalised Fomin potential (which has scientific priority).
- Related reading
- Shaina Reisman and Nicolas Giovambattista "Glass and liquid phase diagram of a polyamorphic monatomic system", Journal of Chemical Physics 138 064509 (2013)
- Saki Higuchi, Daiki Kato, Daisuke Awaji, and ￼ Kang Kim "Connecting thermodynamic and dynamical anomalies of water-like liquid-liquid phase transition in the Fermi–Jagla model", Journal of Chemical Physics 148 094507 (2018)