Relaxation cascade in solids: microscopic theory |
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| Authors: | YuN Ovchinnikov VZ Kresin |
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| Institution: | (1) Lawrence Berkeley Laboratory, University of California, Berkeley, California 94720, USA, US;(2) Landau Institute for Theoretical Physics, Russian Academy of Sciences, Moscow 11733, Russia, RU |
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| Abstract: | The relaxation of an electron excited to the high energy region, is accompanied by the creation of various excitations (plasmons,
quasi-particles, phonons). The stages of this many-body, non-stationary phenomenon (cascade) are described microscopically.
The electron distribution function n(ɛ, t) and characteristic times for the whole energy range, are calculated.
Received 7 February 2003 Published online 11 April 2003 |
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| Keywords: | PACS 78 47 +p Time-resolved optical spectroscopies and other ultrafast optical measurements in condensed matter – 29 40 Wk Solid-state detectors – 72 10 -d Theory of electronic transport scattering mechanisms |
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