The effective electric potential of the debye screening from a point charge q immersed in a plasma can be calculated based on the values point charge, distance from q, electron debye length and permittivity of vacuum.
Formula:
Φ(r) = (q*exp(-21/2*(r/λDe))) / (4*π*εo*r)
Where,
Φ(r) = Debye Screening
q = Point Charge
r = Distance From q
λDe = Electron Debye Length
εo = Permittivity Of Vacuum
