quantum field theory

noun

Definition of quantum field theory

: 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 Each quantum field theory describes physics in a specific number of dimensions. Kevin Hartnett, Wired, 20 June 2021 Recently, Quanta has explored the collaboration between physics and mathematics on one of the most important ideas in science: quantum field theory. Quanta Magazine, 16 July 2021 Each quantum field theory describes physics in a specific number of dimensions. Kevin Hartnett, Wired, 20 June 2021 Each quantum field theory describes physics in a specific number of dimensions. Kevin Hartnett, Wired, 20 June 2021 Now physicists seek a single theory that fuses general relativity, which describes gravity, with quantum field theory, which accounts for electromagnetism and the nuclear forces. John Horgan, Scientific American, 25 June 2021 By now, math and quantum field theory have indisputably met. Quanta Magazine, 16 July 2021 Each quantum field theory describes physics in a specific number of dimensions. Kevin Hartnett, Wired, 20 June 2021 Each quantum field theory describes physics in a specific number of dimensions. Quanta Magazine, 10 June 2021

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'quantum field theory.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of quantum field theory

1948, in the meaning defined above

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The first known use of quantum field theory was in 1948

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Dictionary Entries Near quantum field theory

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Last Updated

11 Oct 2021

Cite this Entry

“Quantum field theory.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/quantum%20field%20theory. Accessed 17 Oct. 2021.

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More from Merriam-Webster on quantum field theory

Britannica.com: Encyclopedia article about quantum field theory

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