quantum field theory

noun

: a theory in physics: the interaction of two separate physical systems (such as particles) is attributed to a field that extends from one to the other and is manifested in a particle exchange between the two systems

Examples of quantum field theory in a Sentence

Recent Examples on the Web
These examples are automatically compiled from online sources to illustrate current usage. Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.
The first was that the Italian physicist Fabiola Gianotti had made a significant discovery in quantum field theory. Simon Garfield, The Atlantic, 21 Oct. 2024 In quantum field theory, a combination of quantum physics and Einstein’s relativity leads to a crucial relationship between a resonant frequency and the mass of an elementary particle: The more rapidly a stationary particle vibrates, the greater its mass. Matt Strassler, Quanta Magazine, 3 Sep. 2024 Srishti Gupta 24 days ago Quantum field theory applied to early universe shows fewer mini black holes Using advanced quantum field theory, researchers discovered new insights into primordial black holes, which have been a strong contender for dark matter. Interesting Engineering, 24 June 2024 The positron’s discovery was a vindication of that theoretical idea, and launched the era of quantum field theory in particle physics. Big Think, 18 June 2024 See all Example Sentences for quantum field theory 

Word History

First Known Use

1948, in the meaning defined above

Time Traveler
The first known use of quantum field theory was in 1948

Dictionary Entries Near quantum field theory

Cite this Entry

“Quantum field theory.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/quantum%20field%20theory. Accessed 16 Nov. 2024.

More from Merriam-Webster on quantum field theory

Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!