quasiparticle

noun

qua·​si·​par·​ti·​cle ˌkwā-ˌzī-ˈpär-ti-kəl How to pronounce quasiparticle (audio)
-ˌsī-,
ˌkwä-zē-,
-sē-
: a composite entity (such as a vibration in a solid) that is analogous in its behavior to a single particle

Examples of quasiparticle in a Sentence

Recent Examples on the Web These findings suggest that electricity may indeed not exist as distinct quasiparticles in strange metals. IEEE Spectrum, 4 Jan. 2024 One way to see if electricity flows in fluid or quasiparticle form in strange metals is to focus on the phenomenon of shot noise—random fluctuations in an electric current that result from the way in which electricity normally consists of distinct chunks of charge. IEEE Spectrum, 4 Jan. 2024 The secret to its speed lies the behavior of phonons, quasiparticles formed from vibrations in a solid. IEEE Spectrum, 26 Dec. 2023 If the quasiparticle picture continues to crumble, what could replace it? Quanta Magazine, 28 Nov. 2023 Those chunks are normally Landau’s electron-like quasiparticles. Quanta Magazine, 28 Nov. 2023 In solid materials, these vibrations travel in quanta of lattice vibrations (sometimes also called quasiparticles) known as phonons. IEEE Spectrum, 6 Dec. 2023 Electron-like quasiparticles became the standard way of understanding metals. Quanta Magazine, 28 Nov. 2023 These quasiparticles are capable of ballistic, or scatter-free, flow. IEEE Spectrum, 6 Nov. 2023 See More

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'quasiparticle.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

First Known Use

1926, in the meaning defined above

Time Traveler
The first known use of quasiparticle was in 1926

Dictionary Entries Near quasiparticle

Cite this Entry

“Quasiparticle.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/quasiparticle. Accessed 2 Mar. 2024.

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