Multiphoton assisted recombination

Multiphoton assisted recombination

We have observed multiphoton assisted recombination in the presence of a 38.8 GHz microwave field. Stimulated emission of up to ten microwave photons results in energy transfer from continuum electrons, enabling recombination. The maximum electron energy loss is far greater than the 2Up predicted by...

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Veröffentlicht in:Physical review letters 2008-12, Vol.101 (26), p.263001-263001, Article 263001
Hauptverfasser: Shuman, E S, Jones, R R, Gallagher, T F
Format: Artikel
Sprache:eng
Schlagworte:
ATOMIC AND MOLECULAR PHYSICS
ELECTRONS
ENERGY LOSSES
ENERGY TRANSFER
GHZ RANGE 01-100
MICROWAVE RADIATION
MULTI-PHOTON PROCESSES
PHOTONS
RECOMBINATION
SIMULATION
STIMULATED EMISSION
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Zusammenfassung:We have observed multiphoton assisted recombination in the presence of a 38.8 GHz microwave field. Stimulated emission of up to ten microwave photons results in energy transfer from continuum electrons, enabling recombination. The maximum electron energy loss is far greater than the 2Up predicted by the standard "simpleman's" model. The data are well reproduced by both an approximate analytic expression and numerical simulations in which the combined Coulomb and radiation fields are taken into account.
ISSN:0031-9007
1079-7114
DOI:10.1103/PhysRevLett.101.263001