Nota: A tradução desta entrada está atualmente em revisão de qualidade, portanto parte do conteúdo é exibida temporariamente apenas em inglês.
Este verbete ainda não foi traduzido para o seu idioma, portanto o original é exibido abaixo.
phonon
This term is used exclusively within the specialized fields of condensed matter physics and quantum mechanics. It describes a quasiparticle, meaning it is not a fundamental particle like an electron, but rather a collective excitation of atoms in a rigid crystal structure. It is the vibrational analogue to the photon, which represents a quantum of light.
In technical discourse, the term is typically used to explain thermal conductivity and electrical resistance in solids. Because it describes a discrete unit of energy, it follows the standard countability of physical particles, though it is rarely used outside of academic or scientific research contexts.
Meanings
Examples
A phonon is essentially a collective excitation of atoms in a crystal.
A phonon is essentially a collective excitation of atoms in a crystal.
I wonder if the phonon dispersion curve explains this thermal conductivity.
I wonder if the phonon dispersion curve explains this thermal conductivity.
The professor explained how a phonon carries heat through the solid.
Wait, so a phonon is like the particle version of a sound wave?
The interaction between a phonon and an electron can lead to superconductivity.
The interaction between a phonon and an electron can lead to superconductivity.
We need to calculate the phonon frequency for this specific lattice structure.
The sample exhibited strong phonon scattering at high temperatures.
The sample exhibited strong phonon scattering at high temperatures.
Maybe the phonon energy is too low to be detected by this sensor.
Acoustic phonons are responsible for the transmission of sound in solids.
Acoustic phonons are responsible for the transmission of sound in solids.