Ontology of AdS/CFT classical on the bulk?

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SUMMARY

The discussion centers on the AdS/CFT correspondence, specifically addressing the nature of ontology in the boundary and bulk. It is established that while the boundary ontology is quantum, the bulk is not strictly classical; rather, it is quantum at high energies, aligning with string theory principles. At low energies, classical gravity provides a sufficient approximation of the bulk behavior. This distinction highlights the complexity of interpreting quantum mechanics within the framework of AdS/CFT.

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  • Understanding of AdS/CFT correspondence
  • Familiarity with quantum mechanics and classical gravity
  • Knowledge of string theory principles
  • Basic concepts of energy scales in theoretical physics
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  • Explore the implications of AdS/CFT on quantum gravity theories
  • Research the role of string theory in high-energy physics
  • Investigate classical approximations in quantum field theories
  • Study the ontology of quantum mechanics in various theoretical frameworks
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The discussion is beneficial for theoretical physicists, researchers in quantum gravity, and students studying the implications of the AdS/CFT correspondence in modern physics.

SupremeFunky
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Is it true in AdS/CFT the ontology on the boundary is quantum (whatever that may be), and the ontology in the bulk is classical?

If that were true it would be a new "interpretation" of quantum mechanics.
 
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No, the bulk is quantum too.

At low energies, the bulk is well approximated by classical gravity, but at high energies it is a string theory, which is quantum.
 

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