References for the Particle Field Interaction, Nonrelativistic Interface
1.
C.D. Child, “Discharge from hot CaO,”
Phys. Rev. (Series I)
, vol. 32, no. 5, pp. 492–511, 1911.
2.
S. Humphries, “Numerical modeling of space-charge-limited charged-particle emission on a conformal triangular mesh,”
J. Comput. Phys.
, vol. 25, no. 2, pp. 488–497, 1996.