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Mixmaster cosmological model in theories of gravity with a quadratic Lagrangian
Phys. Rev. D 39, 2187 – Published 15 April, 1989Erratum Phys. Rev. D 41, 1362 (1990)
DOI: https://doi.org/10.1103/PhysRevD.39.2187
Abstract
We use the method of matched asymptotic expansions to examine the behavior of the vacuum Bianchi type-IX mixmaster universe in a gravity theory derived from a purely quadratic gravitational Lagrangian. The chaotic behavior characteristic of the general-relativistic mixmaster model disappears and the asymptotic behavior is of the monotonic, nonchaotic form found in the exactly soluble Bianchi type-I models of the quadratic theory. The asymptotic behavior far from the singularity is also found to be of monotonic nonchaotic type.
Erratum
Erratum: Mixmaster cosmological model in theories of gravity with a quadratic Lagrangian
Phys. Rev. D 41, 1362 (1990)
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