Nonzero $Ω_Λ$ and a new type of the dissipative structure

Details Nonzero $Ω_Λ$ and a new type of the dissipative structure Nonzero $Ω_Λ$ and a new type of the dissipative structure

1998-06-23

arxiv.org/abs/gr-qc/9806089v1

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

LaTex, 6 pages, 2 figures

Scientific paper

We revisit the proposed theoretical model for a small but nonzero cosmological constant which seems supported increasingly better by recent observations. The model features two scalar fields which interact with each other through a specifically chosen nonlinear potential. We find a very sensitive dependence of the solutions of the scalar field equations on the initial values. We discuss how the behavior is similar to and different from those in well-known chaotic systems, coming to suggest an interesting new type of the dissipative structure.

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