Why Don't Quantum Mechanics and General Relativity Overlap?

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SUMMARY

The discussion centers on the incompatibility between Quantum Mechanics (QM) and General Relativity (GR), particularly at quantum scales. Participants highlight that Quantum Electrodynamics (QED) fails to integrate with GR due to fundamental differences in their underlying principles. Key examples include the challenges of reconciling the probabilistic nature of QM with the deterministic framework of GR. The conversation emphasizes the need for a unified theory to bridge these gaps.

PREREQUISITES
  • Understanding of General Relativity (GR)
  • Familiarity with Quantum Mechanics (QM)
  • Knowledge of Quantum Electrodynamics (QED)
  • Basic grasp of theoretical physics concepts
NEXT STEPS
  • Research the concept of Quantum Gravity
  • Explore String Theory as a potential unifying framework
  • Study the implications of the Standard Model of particle physics
  • Investigate experimental approaches to test theories of quantum gravity
USEFUL FOR

The discussion is beneficial for physics students, theoretical physicists, and researchers interested in the intersection of quantum mechanics and general relativity.

unchained1978
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I've been studying GR for 2 semesters now and am about to dive into quantum mechanics and so I thought it appropriate to ask this question. Why is it that Quantum theory and GR don't interlap at quantum scales? More generally, why doesn't QED fit into GR? fundamental concepts as well as specific examples are welcome.
 
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