Science does not have to be altruistic. In fact, most of the time it is egotistic, according to a study by researchers in Spain that analyzes the discrimination that exists in citations of scientific articles in articles where researchers publish their results.
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Discrimination in the citations that scientists use
Hi all If I have an external perturbation (e.g. light) acting on an atom, and the frequency of the perturbation ω is close to the transition frequency ω 12 of the atom (we only look at the states 1 and 2), then is this equivalent of saying that the perturbation is small? If the above is not correct, then if I say that the perturbation does not change the energies of the atom much, then is this equivalent of saying that the perturbation is small?
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Perturbations on resonance