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  • The Thirteenth International Conference on Ultrafast Phenomena
  • 2002 OSA Technical Digest Series (Optica Publishing Group, 2002),
  • paper WD9
  • https://doi.org/10.1364/UP.2002.WD9

Ultrafast dynamics of coherent anharmonic phonons in bismuth

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Abstract

We report on the femtosecond dynamics of coherent anharmonic phonons in bismuth. The large amplitude coherent phonon generated by high-density photoexcitation exhibits a time-dependent phonon frequency, which is attributed to the anharmonicity of the lattice potential.

© 2002 Optical Society of America

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