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My question is the title itself. ..... Why does a spin O graviton predict that a gas will be less gravitational when it is hot than when it is cold?

I know this contradicts observation, and that a quantum theory of gravity based on General Relativity will have a spin 2 graviton.

My question is about a spin O graviton that you would get by quantizing a scalar theory of gravity, such as Newton's or Nordstrom's.

New guy
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    You have to give links where this is claimed so one can evaluate it. – anna v Apr 26 '18 at 17:52
  • Related post by OP: https://physics.stackexchange.com/q/400871/2451 – Qmechanic Apr 26 '18 at 17:59
  • @Qmechanic I googled for this 0 spin graviton, there is a Horava-Lifshitz qft and it is not simple. to come to find predictions needs a specific link ( let alone to answer why, which will have to do with the mathematical formulae) see this https://arxiv.org/abs/1408.0268 – anna v Apr 27 '18 at 04:06
  • My reference for this question is: I read it in the introduction to " The Feynman Lectures On Gravitation" book, but it didn't explain it in a non-mathematical way. – New guy Apr 27 '18 at 17:32

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