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Foundations of Quantum Gravity by James Lindesay

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3 Microscopic formulations of particle interactions

The fundamental “players” in the cosmological arena are microscopic particles and the interactions by which they exchange well-defined quantum numbers. Many of the critical properties of micro-physics can be determined by their behaviors in nearly flat space-time, as described by Minkowski. There are several requirements that a successful model of fundamental processes should fulfill. Among these characteristics are:

  • Describes quantum phenomenology: Quantum mechanics successfully describes the subtle behaviors of matter and energies undergoing microscopic exchanges. Quantum behaviors inherently have aspects beyond measurement.
  • Conservation properties: Most particles have internal quantum numbers, ...

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