• Corpus ID: 118349607

A Smolin-like branching multiverse from multiscalar-tensor theory

@article{Croker2016ASB,
  title={A Smolin-like branching multiverse from multiscalar-tensor theory},
  author={Kevin S. Croker},
  journal={arXiv: General Relativity and Quantum Cosmology},
  year={2016}
}
  • K. Croker
  • Published 11 September 2016
  • Mathematics
  • arXiv: General Relativity and Quantum Cosmology
We implement a Smolin-like branching multiverse through a directed, acyclic graph of $N$ metrics. Our gravitational and matter actions are indistinguishable from $N$ decoupled statements of General Relativity, if one varies with respect to metric degrees of freedom. We replace $N-1$ metrics with scalar fields by conformally relating each metric to its unique graph predecessor. Varying with respect to the $N-1$ scalar fields gives a multiscalar-tensor model which naturally features dark matter… 

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