A homogeneous model of spinfoam cosmology
We examine spinfoam cosmology by use of a simple graph adapted to homogeneous cosmological models. We calculate dynamics in the isotropic limit, and provide the framework for the anisotropic case. We calculate the transition amplitude between holomorphic coherent states on a single node graph and fi...
Gespeichert in:
| Hauptverfasser: | , |
|---|---|
| Dokumenttyp: | Article (Journal) |
| Sprache: | Englisch |
| Veröffentlicht: |
30 October 2013
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| In: |
Classical and quantum gravity
Year: 2013, Jahrgang: 30, Heft: 23, Pages: 1-19 |
| ISSN: | 1361-6382 |
| DOI: | 10.1088/0264-9381/30/23/235019 |
| Online-Zugang: | Verlag, lizenzpflichtig, Volltext: https://doi.org/10.1088/0264-9381/30/23/235019
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| Verfasserangaben: | Julian Rennert and David Sloan |
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| 520 | |a We examine spinfoam cosmology by use of a simple graph adapted to homogeneous cosmological models. We calculate dynamics in the isotropic limit, and provide the framework for the anisotropic case. We calculate the transition amplitude between holomorphic coherent states on a single node graph and find that the resultant dynamics is peaked on solutions which have no support on the zero volume state, indicating that big bang type singularities are avoided within such models. Communicated by P Singh | ||
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