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Area of Science:

  • Theoretical Physics
  • Quantum Gravity
  • Classical Mechanics

Background:

  • Quantizing gravity faces challenges, necessitating new theoretical frameworks.
  • Existing models struggle to reconcile quantum mechanics and general relativity.
  • A deeper, potentially classical, approach may be required for unification.

Purpose of the Study:

  • To investigate a five-dimensional classical theory for emergent gravity and quantum phenomena.
  • To explore if spacetime evolution and particle behavior can be described classically.
  • To provide a deterministic foundation for quantum gravity.

Main Methods:

  • Developing a five-dimensional classical theory with an additional parameter τ.
  • Implementing gravitational and worldline relaxation mechanisms for equilibrium.
  • Analyzing the theory's predictions in weak-gravity and beyond limits.

Main Results:

  • The theory recovers Newtonian gravity and general relativity features.
  • EPR-type correlations and double-slit interference are reproduced through worldline dynamics.
  • A deterministic framework eliminates the measurement problem and explains the arrow of time.

Conclusions:

  • A higher-dimensional classical theory offers a viable route to quantum gravity.
  • This framework aligns with Einstein's vision of a classical, deterministic universe.
  • The theory predicts unique experimental signatures, such as extracting gravitational which-way information.