Anisotropic spinfoam cosmology

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

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Abstract

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:
/dk/atira/pure/subjectarea/asjc/3100/3101
Subjects:
ID Code:
131191
Deposited By:
Deposited On:
11 Feb 2019 10:30
Refereed?:
Yes
Published?:
Published
Last Modified:
01 Jan 2020 11:49