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quantum theory

[kwon-tuhm thee-uh-ree, theer-ee] / ˈkwɒn təm ˌθi ə ri, ˌθɪər i /


Example Sentences

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Over time, Lorentz invariance became a foundational assumption in modern physics, especially within quantum theory.

From Science Daily • Jan. 8, 2026

Cat qubits are named in honour of Erwin Schrödinger, whose cat-in-a-box question in 1935 helped illuminate some of the thinking behind quantum theory.

From BBC • Feb. 27, 2025

JJ: There’s so much contradiction within the music on “Quantum Baby” that mimics quantum theory.

From Los Angeles Times • Dec. 4, 2024

The Born rule bridges the math of quantum theory to the outcomes of experiments, which makes the field a legitimate scientific discipline in the first place.

From Salon • Nov. 13, 2024

One can therefore ask: does quantum theory allow time travel on a macroscopic scale, which people could use?

From "A Brief History of Time: And Other Essays" by Stephen Hawking