Constants

h = 6.62607004e-34 m2 kg / s = 4.135667662e-15 ev s

ħ= 1.0545718e-34 m2 kg / s = 6.582119514e-16 ev s

me= 9.10938215e-31 kg

e = 1.6021766209e-19 C

mp = 1.6726219e-27 kg

ε0 = 8.854187817e-12