
Phonon - Wikipedia
A phonon is a quasiparticle, collective excitation in a periodic, elastic arrangement of atoms or molecules in condensed matter, specifically in solids and some liquids.
Phonon | Quantum Mechanics, Wave-Particle Duality & Thermal …
Phonon, in condensed-matter physics, a unit of vibrational energy that arises from oscillating atoms within a crystal. Any solid crystal, such as ordinary table salt (sodium chloride), consists …
Phonon: Definition, Quantization, and Equations - Science Facts
Jun 10, 2025 · There are two main types of phonons: acoustic phonons and optical phonons. Each type affects how energy moves through a solid material in different ways. Acoustic …
Phonon - an overview | ScienceDirect Topics
1 Introduction A phonon is a collective excitation in condensed matter, which is a quantization of the vibration mode in elastic structures. Although phonons are not as popular as photons or …
Phonons and the Debye Specific Heat - HyperPhysics
The evidence on the behavior of vibrational energy in periodic solids is that the collective vibrational modes can accept energy only in discrete amounts, and these quanta of energy …
Phonons - The University of Warwick
A phonon is the elementary excitation in the quantum mechanical treatment of vibrations in a crystal lattice [1] or the quantum unit of a crystal lattice vibration.
Phonon: Types, Properties & Role in Semiconductors Explained
A phonon is a quantum of vibrational energy that arises from the collective oscillation of atoms within a crystal lattice. In simple terms, just as a photon is a discrete packet of light energy, a …
Explained: Phonons | MIT News | Massachusetts Institute of …
Jul 8, 2010 · When one of the atoms gets pushed or pulled, it sets off a wave (or phonon) travelling through the crystal, just as sitting down on one edge of a trampoline can set off …
Phonon Definition - Principles of Physics III Key Term | Fiveable
A phonon is a quantized mode of vibration occurring in a rigid structure, such as a crystal lattice. It represents the smallest unit of vibrational energy that contributes to thermal conductivity and …
PHONON Definition & Meaning - Merriam-Webster
phonon noun pho· non ˈfō-ˌnän : a quantum of vibrational energy (as in a crystal)