Can quantum foam contain a non-interacting substrate that defines fundamental forces?

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sirios
greetings, today, I have a question about quantum foam, please excuse my ignorance in the matter, we know that quantum foam and the description of space-time in very small lengths, correct me if I am wrong, currently I read an article saying that quantum foam is one of the reasons that it is so difficult to make a theory of unification. my doubt and the following: it would be possible that space has a virtual "compound" intrinsic to it that does not interact with matter, but that defines some force fundamentally? again excuses for my ignorance.
1) obs: I do not want you to confuse yourself with ether since light would not depend on this "compound".
2) obs: I do not want you to confuse yourself with the virtual particles themselves, more that the two have similarities
 
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sirios said:
we know that quantum foam and the description of space-time in very small lengths

No, we don't know that. It's one proposed hypothesis among a number of them that cover this regime, and we have no feasible way of testing any of them at this time.

sirios said:
it would be possible that space has a virtual "compound" intrinsic to it that does not interact with matter, but that defines some force fundamentally?

Please review the PF rules on personal speculations. This is not the sort of thing we can discuss here.
 
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PeterDonis said:
No, we don't know that. It's one proposed hypothesis among a number of them that cover this regime, and we have no feasible way of testing any of them at this time.
Please review the PF rules on personal speculations. This is not the sort of thing we can discuss here.
OK, thanks