From: tjroberts137@sbcglobal.net   
      
   On 8/22/17 1:44 AM, Lawrence Crowell wrote:   
   > You can think of a graviton in the weak field limit, where gravitons do not   
   > interact with each other, as similar to a pair of photons in an entangled   
   > triplet state.   
      
   Hmmmm. I strongly suspect you can think of gravitons ONLY in the weak-field   
   limit. We don't have a theory of quantum gravity, so the best we can do today   
   is   
   consider analogies. The relevant analogy, of course, is photons in QED. But   
   photons are not fundamental to QED, they arise in its perturbation expansion --   
   i.e. in the weak-field limit. QED has no photon-photon vertex; we have never   
   tested it with strong fields, but if we did we might find that additional   
   vertices need to be added....   
      
   The analogy breaks down, of course, because we don't know of any plausible   
   scenarios with strong-field QED, but we do expect strong-field quantum gravity   
   near the classical singularities inside black holes (and elsewhere).   
      
   Tom Roberts   
      
   --- SoupGate-Win32 v1.05   
    * Origin: you cannot sedate... all the things you hate (1:229/2)