Simplified rational approximations for Holtsmark and related functions
Laboratoire pour l'Utilisation des Lasers Intenses (UMR 7605
CNRS-CEA-École Polytechnique-Université Paris 6.) (LULI),
École Polytechnique, 91128 Palaiseau Cedex, France
Published online: 15 May 2000
A single rational fraction, valid for any value of the electric field, closely approximates the Holtsmark distribution. This also applies to its derivative and its cumulative.
PACS: 32.70.Jz – Line shapes, widths, and shifts / 05.70.Ce – Thermodynamic functions and equations of state / 52.25.Kn – Thermodynamics of plasmas
© EDP Sciences, Società Italiana di Fisica, Springer-Verlag, 2000