Direct Measurement of Anharmonic Decay Channels of a Coherent Phonon.
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DOI: 10.1103/physrevlett.121.125901
Abstract: We report channel-resolved measurements of the anharmonic coupling of the coherent A_{1g} phonon in photoexcited bismuth to pairs of high wave vector acoustic phonons. The decay of a coherent phonon can be understood as a… read more here.
Keywords: direct measurement; coherent phonon; phonon; measurement anharmonic ... See more keywords