this post was submitted on 17 Mar 2024
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Well... And so can scalars, sure, like in string theory where scalar fields represent various kinds of aspects of geometry of the extra dimensions. But they are, also this scalar, dynamical fields (which the CC is not) and these fields would correspond to "particles". You couple this field to all the other fields of the SM and you get interactions, you have particles. Its a particle.
This is why I know this is generally a problem, in string theory you have all these scalars that comes from compactification, you need to explain why they are not seen by experiments = make them heavy. Otherwise you get new particles, new forces, lots of physics that is not real.