Femtosecond lattice dynamics in photoexcited bismuth: Ultrafast optical and x-ray measurements

D M Fritz,B Adams,C Blome,P H Bucksbaum,A L Cavalieri, S Engemann,Stephen Fahy,P H Fuoss,K J Gaffney, P Hillyard, J Kaspar,A M Lindenberg,S H Lee,B K Mcfarland,Daniel W Meyer,Eamonn D Murray,M Nicoul, Ryan A Pahl,J Rudati,D P Siddons,K Sokolowskitinten,J K Wahlstrand, J B Hastings,D A Reis

Long Beach, CA（2006）

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摘要

We investigate high amplitude coherent optical phonon dynamics in bismuth through femtosecond x-ray and optical scattering. From these experiments, we present the first detailed measurements of changes in the interatomic potential following high-density photoexcitation.

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关键词

photoexcitation,optical scattering,bi,lattices,bismuth,phonons,optical pumping,ultrafast

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