Base

class pfc_util.pfc6.FreeEnergyFunctional(eps: floating | float64 | float, alpha: floating | float64 | float, beta: floating | float64 | float)

Bases: FreeEnergyFunctionalBase[RealField2D]

PFC6 free energy functional

\[F = \int d\mathbf{r} \left\{\frac{1}{2}\psi[-\epsilon + (1+\nabla^2)^2 - \alpha(\nabla^2+2\nabla^4+\nabla^6)]\psi + \frac{\psi^4}{4} + \beta\frac{\psi^6}{6} \right\}\]