
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 of atoms …
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 phonons are low …
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.
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 have been labeled …
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 electrons, …
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 phonon is a …
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 sound …
PHONON Definition & Meaning - Merriam-Webster
phonon noun pho· non ˈfō-ˌnän : a quantum of vibrational energy (as in a crystal)
Explained: Phonons | MIT News | Massachusetts Institute of Technology
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 vibrations through …