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
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One is through the lens of our theory of gravity, Einstein’s general relativity, and the other is through the lens of the quantum realm of the particles and fields that describe nature, quantum field theory.
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Big Think, 22 Aug. 2025
In other words, the large distance physics can dictate backwards what’s going on at shorter scales, which is not like what usually happens in quantum field theories.
—Steven Strogatz, Quanta Magazine, 29 May 2025
To model these events precisely, the team turned to quantum field theory, which is a branch of physics typically used to describe interactions between elementary particles.
—Sharmila Kuthunur, Space.com, 16 May 2025
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
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Big Think, 22 Aug. 2025
In other words, the large distance physics can dictate backwards what’s going on at shorter scales, which is not like what usually happens in quantum field theories.
—Steven Strogatz, Quanta Magazine, 29 May 2025
To model these events precisely, the team turned to quantum field theory, which is a branch of physics typically used to describe interactions between elementary particles.
—Sharmila Kuthunur, Space.com, 16 May 2025
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
See All Example Sentences for 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 6 Sep. 2025.
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