QED u rečniku PONS

Jednojezični primeri (nisu ih verifikovali PONS urednici)

engleski
The calculation by QED is correct in accordance with the most fundamental principle of quantum mechanics, the uncertainty principle.
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We can see this from the QED beta-function.
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It was limited to tree-level processes in QED.
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In QED, the electromagnetic force between two electrons is caused by an exchange of photons.
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This close agreement holds because the coupling constant (also known as the fine structure constant) of QED is much less than 1.
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This makes QED one of the most accurate physical theories constructed thus far.
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The fluctuation in the electric and magnetic fields associated with the QED vacuum perturbs the electric potential due to the atomic nucleus.
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Moreover, the perturbative beta function tells us that the coupling continues to increase, and QED becomes "strongly coupled" at high energy.
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In QED, photons are massless particles and thus, according to special relativity, they travel at the speed of light in vacuum.
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In modern quantum physics, the electromagnetic field is described by the theory of quantum electrodynamics (QED).
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