Document Detail


High-field transport in an electron-hole plasma: transition from ballistic to drift motion.
MedLine Citation:
PMID:  22243098     Owner:  NLM     Status:  In-Data-Review    
Abstract/OtherAbstract:
The time evolution of high-field carrier transport in bulk GaAs is studied with intense femtosecond THz pulses. While ballistic transport of electrons occurs in an n-type sample, a transition from ballistic to driftlike motion is observed in an electron-hole plasma. This onset of friction is due to the holes, which are heated by THz absorption. Theoretical calculations, which reproduce the data quantitatively, show that both electron-hole scattering and local-field effects in the electron-hole plasma are essential for the time-dependent friction.
Authors:
P Bowlan; W Kuehn; K Reimann; M Woerner; T Elsaesser; R Hey; C Flytzanis
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Publication Detail:
Type:  Journal Article     Date:  2011-12-15
Journal Detail:
Title:  Physical review letters     Volume:  107     ISSN:  1079-7114     ISO Abbreviation:  Phys. Rev. Lett.     Publication Date:  2011 Dec 
Date Detail:
Created Date:  2012-01-16     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0401141     Medline TA:  Phys Rev Lett     Country:  United States    
Other Details:
Languages:  eng     Pagination:  256602     Citation Subset:  IM    
Affiliation:
Max-Born-Institut für Nichtlineare Optik und Kurzzeitspektroskopie, 12489 Berlin, Germany.
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