Where Does Gravity Begin? Examining the Stress-Energy Tensor

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SUMMARY

The discussion centers on the origins of gravity and its relationship with the stress-energy tensor as described in Einstein's field equations of general relativity. Participants explore whether gravity could emerge from elementary particles such as Higgs bosons or electrons. The consensus is that current classical theories do not define a specific "starting line" for gravity, and any future theories, particularly quantum gravity, remain speculative at this stage.

PREREQUISITES
  • Understanding of general relativity and Einstein's field equations
  • Familiarity with the stress-energy tensor in physics
  • Basic knowledge of elementary particles, including Higgs bosons and electrons
  • Concepts of classical versus quantum theories of gravity
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  • Research the implications of the stress-energy tensor in general relativity
  • Explore theories of quantum gravity, including string theory and loop quantum gravity
  • Investigate the role of Higgs bosons in particle physics and their potential gravitational effects
  • Examine current debates on the unification of gravity with other fundamental forces
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Physicists, students of theoretical physics, and anyone interested in the foundational concepts of gravity and its relationship with quantum mechanics.

SecretOfnumber
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Hello
Just wondering where in the nature gravity could begin ?in what level? (apparently not in free space away from matter!)Elementary particles? higgs? quarks? where man kind could take the mathematical calculations to?

i.e Could two higgs show gravity ?or two electrons? or...?

"The stress–energy tensor is the source of the gravitational field in the Einstein field equations of general relativity" Where this tensor begins and is observable??

Cheers,
SON
 
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The current mainstream theory of gravity is classical, so it has no "starting line" in the sense you are asking. Any discussion of where that starting line might be for some future quantum theory of gravity would be purely speculative at this point.
 

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