A phonon is a collective excitation in a periodic, elastic arrangement of atoms or molecules in condensed matter, specifically in solids and some liquids...
47 KB (6,853 words) - 16:17, 2 September 2024
Phonons can scatter through several mechanisms as they travel through the material. These scattering mechanisms are: Umklapp phonon-phonon scattering,...
8 KB (1,131 words) - 01:57, 11 July 2022
physics, a phonon polariton is a type of quasiparticle that can form in a diatomic ionic crystal due to coupling of transverse optical phonons and photons...
18 KB (2,527 words) - 13:33, 3 June 2024
The zero-phonon line and the phonon sideband jointly constitute the line shape of individual light absorbing and emitting molecules (chromophores) embedded...
9 KB (1,163 words) - 15:29, 28 March 2022
spectrum of other phonons, which is known as the phonon decay. The two most important anharmonic effects are the thermal expansion and the phonon thermal conductivity...
63 KB (8,360 words) - 12:36, 9 August 2024
Sound amplification by stimulated emission of radiation (redirect from Phonon laser)
amplification based on stimulated emission of phonons. Sound (or lattice vibration) can be described by a phonon just as light can be considered as photons...
55 KB (7,513 words) - 22:58, 18 March 2024
Heat transfer physics (section Phonon)
storage, transport, and energy transformation by principal energy carriers: phonons (lattice vibration waves), electrons, fluid particles, and photons. Heat...
67 KB (9,679 words) - 21:11, 23 July 2024
Phonon drag is an increase in the effective mass of conduction electrons or valence holes due to interactions with the crystal lattice in which the electron...
2 KB (269 words) - 10:31, 29 December 2022
Phonon is the multimedia API provided by KDE and is the standard abstraction for handling multimedia streams within KDE software and also used by several...
7 KB (686 words) - 15:28, 4 February 2024
Phonon noise, also known as thermal fluctuation noise, arises from the random exchange of energy between a thermal mass and its surrounding environment...
4 KB (543 words) - 22:37, 6 August 2022