Bianchi type I cosmology in [formula presented] supergravity

Chiang Mei Chen, M. K. Mak

Research output: Contribution to journalArticlepeer-review


The dynamics and evolution of Bianchi type I space-times are considered in the framework of the four-dimensional truncation of a reduced theory obtained from (Formula presented) supergravity. The general solution of the gravitational field equations can be represented in an exact parametric form. All solutions have a singular behavior at the initial or final moment, except when the space-time geometry reduces to the isotropic flat case. Generically the obtained cosmological models describe an anisotropic, expanding or collapsing, singular universe with a noninflationary evolution for all times.

Original languageEnglish
JournalPhysical Review D - Particles, Fields, Gravitation and Cosmology
Issue number10
StatePublished - 2000


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