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PHONON [1 record]

Filter results by subject field Alphabetical list of terms

Filter results by subject field

Alphabetical list of terms

Record 1 2020-03-09

English

Subject field(s)
  • Atomic Physics
DEF

... the quantum mechanical description of an elementary vibrational motion in which a lattice of atoms or molecules uniformly oscillates at a single frequency.

CONT

A phonon is a definite discrete unit or quantum of vibrational mechanical energy, just as a photon is a quantum of electromagnetic or light energy.

French

Domaine(s)
  • Physique atomique
DEF

Quantum d'oscillation associé aux vibrations collectives des atomes dans un réseau cristallin.

CONT

Le phonon est porteur d'un quantum d'énergie qui est essentiellement soit de la chaleur [...], soit de l'énergie acoustique (dans les solides cristallins).

Spanish

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