Anisotropic spinfoam cosmology
The dynamics of a homogeneous, anisotropic universe are investigated within the context of spinfoam cosmology. Transition amplitudes are calculated for a graph consisting of a single node and three links—the ‘Daisy graph’—probing the behaviour a classical Bianchi I spacetime. It is shown further how...
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| Main Authors: | , |
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| Format: | Article (Journal) |
| Language: | English |
| Published: |
2013
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| In: |
Classical and quantum gravity
Year: 2013, Volume: 31, Issue: 1 |
| ISSN: | 1361-6382 |
| DOI: | 10.1088/0264-9381/31/1/015017 |
| Online Access: | Verlag, lizenzpflichtig, Volltext: https://doi.org/10.1088/0264-9381/31/1/015017 Verlag, lizenzpflichtig, Volltext: https://iopscience.iop.org/article/10.1088/0264-9381/31/1/015017 
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| Author Notes: | Julian Rennert and David Sloan |
MARC
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| 520 | |a The dynamics of a homogeneous, anisotropic universe are investigated within the context of spinfoam cosmology. Transition amplitudes are calculated for a graph consisting of a single node and three links—the ‘Daisy graph’—probing the behaviour a classical Bianchi I spacetime. It is shown further how the use of such single node graphs gives rise to a simplification of states such that all orders in the spin expansion can be calculated, indicating that it is the vertex expansion that contains information about quantum dynamics. | ||
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