| quantum field theory | has symmetry relativistic invariance |  |
| has exchange quantum | |
| has applicability elementary particles | |
| has implication quantum fields are the ultimate reality and particles are merely the localized quanta of these fields. | |
| has definition Relativistically invariant version of quantum mechanics used to describe the physics of elementary particles. The action of forces is a result of the exchange of sub-atomic particles. | |
| is a kind of quantum mechanics | |
| quantum mechanics | has constraint certain quantities (e.g. energy, angular momentum, light) can only exist in certain discrete amounts, called quanta. | |
| has equation Any physical system, such as an atom, may be viewed as existing as a combination of its possible states, each of which has a certain probability. | |
| has synonym quantum theory | |
| has discoverer Planck | |
| theory | has validity correct or incorrect with caveats | |
| has author or reasearch group | |
| has domain a field of research | |
| has date or a range of dates for which the theory was active | |
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