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- It seems it isn't proofed that the Casimir effect originates from quantum fluctuations. If so, does it still make sense to weigh a Casimir cavity?

This Paper takes reference to quantum fluctuations within a Casimir cavity:

Towards weighing the condensation energy to ascertain the Archimedes force of vacuum

These two Papers show, that the Casimir effect does not or not necessarily originate from quantum fluctuations:

R.L.Jaffe The Casimir Effect and the Quantum Vacuum

Hrvoje Nikolic: Proof that Casimir force does not originate from vacuum energy

https://www.sciencedirect.com/science/article/pii/S0370269316304567#:~:text=Therefore%2C%20at%20the%20fundamental%20level,forces%20between%20the%20material%20plates.

I seem to overlook something, but what?

The experiment is on the way: High-bandwidth beam balance for vacuum-weight experiment and Newtonian noise subtraction

Towards weighing the condensation energy to ascertain the Archimedes force of vacuum

*I. INTRODUCTION*

... About a decade ago, it was pointed out that a possible way to verify the interaction of vacuum fluctuations with gravity was to weigh a (suitably realized, layered) rigid Casimir cavity [7]. ...... About a decade ago, it was pointed out that a possible way to verify the interaction of vacuum fluctuations with gravity was to weigh a (suitably realized, layered) rigid Casimir cavity [7]. ...

These two Papers show, that the Casimir effect does not or not necessarily originate from quantum fluctuations:

R.L.Jaffe The Casimir Effect and the Quantum Vacuum

*Abstract.*

In discussions of the cosmological constant, the Casimir effect is often invoked as decisive evidence that the zero point energies of quantum fields are “real”. On the contrary, Casimir effects can be formulated and Casimir forces can be computed without reference to zero point energies.In discussions of the cosmological constant, the Casimir effect is often invoked as decisive evidence that the zero point energies of quantum fields are “real”. On the contrary, Casimir effects can be formulated and Casimir forces can be computed without reference to zero point energies.

Hrvoje Nikolic: Proof that Casimir force does not originate from vacuum energy

https://www.sciencedirect.com/science/article/pii/S0370269316304567#:~:text=Therefore%2C%20at%20the%20fundamental%20level,forces%20between%20the%20material%20plates.

*ABSTRACT*

We present a simple general proof that Casimir force cannot originate from the vacuum energy of

electromagnetic (EM) fieldWe present a simple general proof that Casimir force cannot originate from the vacuum energy of

electromagnetic (EM) field

I seem to overlook something, but what?

The experiment is on the way: High-bandwidth beam balance for vacuum-weight experiment and Newtonian noise subtraction

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