Abstract
A case study of field emission from a zero-range quantum well has been carried out. The various strong-field approximations, both time-dependent and time-independent, are discussed and compared with exact numerical results. The exponential decay law is shown to be a good approximation on the average, but it cannot account for short-time ripples in the ionisation probability.
Original language | English |
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Pages (from-to) | 23-32 |
Number of pages | 10 |
Journal | Zeitschrift für Physik B Condensed Matter |
Volume | 73 |
Issue number | 1 |
DOIs | |
State | Published - Mar 1988 |