NON-EQUILIBRIUM HOT-CARRIER DIFFUSION PHENOMENON IN SEMICONDUCTORS I. A THEORETICAL NON-MARKOVIAN APPROACH J. Zimmerman, P. Lugli et D.K. Ferry J. Phys. Colloques, 42 C7 (1981) C7-95-C7-101 DOI: 10.1051/jphyscol:1981709