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

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

So that could be about the Big Bang or black holes or quantum field theory and extra dimensions. —Steven Strogatz, Quanta Magazine, 13 Mar. 2025

One made sense of conservation laws in small regions of space, a mathematical feat that would later prove important for understanding the symmetries of quantum field theory. —Shalma Wegsman, Quanta Magazine, 7 Feb. 2025

Word History

First Known Use

1948, in the meaning defined above

Rhymes for quantum field theory

• carabinieri
• beery
• bleary
• cheery
• cirri
• dearie
• deary
• dreary
• eerie
• kiri
• leary
• leery