Anisotropic spinfoam cosmology

Rennert, Julian and Sloan, David (2013) Anisotropic spinfoam cosmology. Classical and Quantum Gravity, 31 (1): 015017. ISSN 0264-9381

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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.

Item Type:
Journal Article
Journal or Publication Title:
Classical and Quantum Gravity
Uncontrolled Keywords:
?? physics and astronomy (miscellaneous) ??
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Deposited On:
11 Feb 2019 10:30
Last Modified:
15 Jul 2024 18:55