nLab phonon

Idea

By phonons one refers to the quanta of sound? waves in condensed matter, such as in a crystal.

Compare to photons, which are the quanta of light waves.

Related concepts

• phononic crystal

References

See also:

• Wikipedia, Phonon

On holographic description of phonon gases in non-merallic crystals:

• Xiangqing Kong, Tao Wang, Liu Zhao, High temperature AdS black holes are low temperature quantum phonon gases [arXiv:2209.12230]

On an analogue of the soft graviton theorem for phonons:

• Clifford Cheung, Maria Derda, Andreas Helset, Julio Parra-Martinez: Soft Phonon Theorems, J. High Energ. Phys. 2023 103 (2023) [arXiv:2301.11363, doi:10.1007/JHEP08(2023)103]