How close are we to uniting gravity and QM

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SUMMARY

Recent discussions highlight significant advancements in the field of quantum gravity, particularly through gravitational wave astronomy. As detection methods improve, researchers anticipate observing the energy spectrum from colliding black holes and neutron stars, which may reveal discrepancies from predictions made by general relativity. The quantization of gravity, akin to light, suggests that short gravity waves could provide critical insights into this unification. Current understanding remains limited, but the potential for breakthroughs in the coming decades is promising.

PREREQUISITES
  • Understanding of quantum mechanics (QM)
  • Familiarity with general relativity
  • Knowledge of gravitational wave astronomy
  • Basic principles of wave-particle duality
NEXT STEPS
  • Research the latest findings in gravitational wave detection techniques
  • Explore the implications of quantizing gravity
  • Study the energy spectra of colliding black holes and neutron stars
  • Investigate theoretical frameworks for unifying quantum mechanics and general relativity
USEFUL FOR

Physicists, astrophysicists, and researchers interested in the intersection of quantum mechanics and gravitational theories will benefit from this discussion.

ChrisisC
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How much progression has physics made in uniting QM and gravity? Have we made any steps to unite them? have we discovered anything remotely related to it?
 
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Gravitational wave astronomy is an exciting field for quantum gravity. As they get more and more precise, we'll be able to see the exact energy spectrum released by colliding black holes and neutron stars. If gravity is quantized the same way light is, then short gravity waves should start showing us a spectrum that does not fit general relativity.
 
ChrisisC said:
How much progression has physics made in uniting QM and gravity? Have we made any steps to unite them? have we discovered anything remotely related to it?
Imho, it's still beyond the edge of the observable universe. (I.e., measure in terms of billions of LY.) :oldfrown:

But I'd be happy to be proven wrong within the next few decades (i.e., while I'm still around to see it). :biggrin:
 

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