An analytical approximation for the Fermi-Dirac integral F j(η) for real j is proposed. This approximation works for -∞< η < ∞, with an error of 1.2% for -1/2< j < 1/2 and 0.7% for 1/2 < j < 5/2. The error increases with j for higher j values.
|Journal||Journal of Applied Physics|
|Publication status||Published - 1 Dec 1983|