Umklapp scattering

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名詞

可算名詞 不可算名詞

(physics) The transformation of a wave vector to another Brillouin zone as a result of a scattering process.

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Umklapp scattering reduces thermal conductivity in crystals by transferring phonon momentum to the lattice when a scattered wave vector is mapped into another Brillouin zone.

詳細

意味（1）

(physics) The transformation of a wave vector to another Brillouin zone as a result of a scattering process.

Umklapp scatterings （ plural ）