Ionization of surface-state electrons by microwave fields: Quantum treatment
- 1 September 1985
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review A
- Vol. 32 (3) , 1900-1902
- https://doi.org/10.1103/physreva.32.1900
Abstract
We calculated quantum mechanically the response of surface-state electrons to an applied microwave field. By solving an effective Schrödinger equation which takes into account both bound-bound and bound-continuum transitions to all orders, we show that the ionization proceeds via direct coupling to the continuum. This contrasts with the classical description, where ionization occurs as the result of a diffusive energy gain.Keywords
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