Formula for the force of gravity

June 12, 2017


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The final step of unification, past electroweak unification and grand unification, would be to add gravity to reach the final goal of one unified force. It has become popular to call such a unified theory a "theory of everything".

It seems fair to say that we are a long way from understanding quantum gravity. Whereas the electroweak unification and even the proposed grand unification seem to fit well into the standard model of quarks and leptons, quantum gravity definitely does not. To unify gravity, you would have to be able to convert bosons to fermions and vice versa. You don't have the nice matchup of leptons and quarks that you had in the previous steps, and this seems to call for a new class of particles.

Thoughts about a new set of particles have been collected under the title "supersymmetry". It would appear that you would have to have supersymmetric boson particles for all the fermions and supersymmetric fermion particles for all the bosons. This has led to a new set of names:

  • supersymmetric quarks . squarks
  • supersymmetric leptons .sleptons
  • supersymmetric photons .photinos
  • supersymmetric gravitons .gravitinos
  • supersymmetric gluons . gluinos
  • supersymmetric W's .winos
  • supersymmetric Z's .zinos
At this point all these things seem to be beyond the range of our experimental efforts. We can look for high energy events in astrophysical phenomena for relics of the early era when gravity would have been unified. We can look for departures from the standard model in all our high energy accelerator experiments in the hope of finding a hint of some phenomenon which could test the theories. Looking for evidence of supersymmetry could be a fruitful path for inquiry.

Source: hyperphysics.phy-astr.gsu.edu
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INTERESTING FACTS
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What formula describes the force of gravity?

E=MC2 is the formula used to describe the force of gravity. Call 800-224-2242 for unlimited !

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