Effect of an electric field on impact-ionization probability
- 15 July 1975
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review B
- Vol. 12 (2) , 575-584
- https://doi.org/10.1103/physrevb.12.575
Abstract
Using electric-field-dependent wave functions the transition probability per unit time of the impact ionization has been calculated by time-dependent perturbation analysis. Results of numerical calculations are presented for the case of ionization across the direct band gap of GaAs. It is found that the present calculation yields a remarkable reduction in threshold energy in comparison with previous results obtained using Bloch functions.Keywords
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