Physics:Quantum materials/phonon: Difference between revisions
No edit summary |
Normalize Quantum book page structure and short text |
||
| Line 28: | Line 28: | ||
* collective excitation | * collective excitation | ||
* affects thermal and transport properties | * affects thermal and transport properties | ||
== Description == | |||
'''phonon''' is a matter-scale concept used to organize how quantum theory describes atoms, particles, fields, condensed matter, plasma, or spacetime-related systems. In the Quantum Collection it is placed by scale so the reader can move from materials and molecules down to subatomic degrees of freedom. | |||
== Quantum context == | |||
At this scale, the relevant behavior is controlled by quantized states, interactions, conservation laws, and the way excitations or particles are observed. The concept is normally linked to measurable properties such as energy, momentum, charge, spin, spectra, scattering rates, or collective modes. | |||
== Role in the collection == | |||
This page provides a compact reference point for related pages in Book II. It should be read together with nearby matter-scale topics and the corresponding foundations in [[Physics:Quantum mechanics|quantum mechanics]].<ref name="matter-wiki">{{cite web |url=https://en.wikipedia.org/wiki/Quantum_mechanics |title=Quantum mechanics |website=Wikipedia |access-date=2026-05-20}}</ref> | |||
=See also= | =See also= | ||
Revision as of 23:07, 19 May 2026
}
A phonon is a quantized vibration of atoms in a crystal lattice. It represents a collective excitation of the lattice.
Description
In a solid, atoms vibrate about their equilibrium positions. These vibrations can be described as waves, and when quantized, they behave as particles called phonons.
Phonons play an important role in thermal and electrical properties of materials.
Properties
- quantized lattice vibration
- collective excitation
- affects thermal and transport properties
Description
phonon is a matter-scale concept used to organize how quantum theory describes atoms, particles, fields, condensed matter, plasma, or spacetime-related systems. In the Quantum Collection it is placed by scale so the reader can move from materials and molecules down to subatomic degrees of freedom.
Quantum context
At this scale, the relevant behavior is controlled by quantized states, interactions, conservation laws, and the way excitations or particles are observed. The concept is normally linked to measurable properties such as energy, momentum, charge, spin, spectra, scattering rates, or collective modes.
Role in the collection
This page provides a compact reference point for related pages in Book II. It should be read together with nearby matter-scale topics and the corresponding foundations in quantum mechanics.[1]
See also
Table of contents (84 articles)
Index
Full contents
References
Source attribution: Physics:Quantum materials/phonon
