Causal evolution of spin networks

@article{Markopoulou1997CausalEO,
  title={Causal evolution of spin networks},
  author={F. Markopoulou and L. Smolin},
  journal={Engineering Structures},
  year={1997}
}
  • F. Markopoulou, L. Smolin
  • Published 1997
  • Physics
  • Engineering Structures
  • A new approach to quantum gravity is described which joins the loop representation formulation of the canonical theory to the causal set formulation of the path integral. The theory assigns quantum amplitudes to special classes of causal sets, which consist of spin networks representing quantum states of the gravitational field joined together by labeled null edges. The theory exists in 3+1, 2+1 and 1+1 dimensional versions, and may also be interepreted as a theory of labeled timelike surfaces… CONTINUE READING
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