In equations used in this clause, the following definitions of common symbols can be assumed, if not stated in the text:
B – magnetic field in Tesla
ε, ε0, εr - dielectric constant, dielectric constant in vacuum, relative dielectric constant
f – distribution function in m-6 s-3
I – current in Amperes (A)
j – current density in A/m2
k – Boltzmann constant, i.e. 1.38×10-23 JK-1
m, M – mass in kg
n – density in m-3
q, e – charge, electron charge in Coulombs
T – Temperature in Kelvin (K)
t – time in seconds
V – potential in volts (V)
v – velocity in ms-1