Calculations of theA phonon frequency in photoexcited tellurium
Physical Review Letters, ISSN: 1079-7114, Vol: 82, Issue: 21, Page: 4340-4343
1999
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Article Description
Calculations of the A phonon frequency in photoexcited tellurium are presented. The phonon frequency as a function of photoexcited carrier density and phonon amplitude is determined. Recent pump-probe experiments are interpreted in light of these calculations. It is proposed that, in conjunction with measurements of the phonon period in ultrafast pump-probe reflectivity experiments, the calculated frequency shifts can be used to infer the evolution of the density of photoexcited carriers on a subpicosecond time scale. © 1999 The American Physical Society.
Bibliographic Details
http://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=4143119387&origin=inward; http://dx.doi.org/10.1103/physrevlett.82.4340; https://link.aps.org/doi/10.1103/PhysRevLett.82.4340; http://harvest.aps.org/v2/journals/articles/10.1103/PhysRevLett.82.4340/fulltext; http://link.aps.org/article/10.1103/PhysRevLett.82.4340
American Physical Society (APS)
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