How can zero-point vacuum energy be Lorentz Invariant? I offered my best explanation. Any input? https://physics.stackexchange.com/questions/447371/how-can-zero-point-energy-vacuum-be-lorentz-invariant …
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I don't understand the relation between the stuff in the thread and the usual zero point vacuum energy. The latter is T ~ eta, like the cosmological constant, but amy well-defined radiation field cannot have a lorentz invariant T ~ eta like that, no?
Right agree which is why I answer essentially what I believe was meant
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Ok, now I found your contribution.I'm trying to follow, but I'm confused about the units of some of your expressions. Is dN unitless? How does that square with the formula after "must agree on" and the one with \hbar \omega?
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Right, this comes down to $\hbar \omega $ not having the right units for a photon distribution (1/E).. I just assumed that since in his question he says that ρ(ω)dω \propto \hbar ω that there were some dimension full constants what we re ignored.
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