Physical Constants

ϵ0   =  8.854187818e − 12Fm −1   Vacuum permittivity
h  =  1.054571726e − 34Js  Planck constant
ℏ  =  h∕2π  Reduced Planck constant
kB   =  1.380648813e − 23JK −1   Boltzmann constant
q0   =  1.602176565e − 19C  Elementary charge