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19: Illustration of a random domain distribution in a planar network taken from the fourth snapshot of Fig. 2.15. Each domain has x edges and each junction is formed by d walls. The average values are d = 53/17 and x = 106/19. 

19: Illustration of a random domain distribution in a planar network taken from the fourth snapshot of Fig. 2.15. Each domain has x edges and each junction is formed by d walls. The average values are d = 53/17 and x = 106/19. 

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Figure 1.3: The one-dimensional soliton solution for the λϕ 4 potential...
Figure 1.1: Different ages of the universe for different values of Ω 0...
Figure 1.2: The λϕ 4 potential (1.41) for λ = η = 1. 
Figure 2.35: v * as a function of the conformal time τ for the class of...
+32 Figure 2.43: The asymptotic values of v * and L c /τ for slow-expansion...
Cosmological Consequences of Topological Defects: Dark Energy and Varying Fundamental Constants
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  • Sep 2008
We investigated domain wall networks as a possible candidate to explain the present accelerated expansion of the universe. We discuss various requirements that any stable lattice of frustrated walls must obey and propose a class of `ideal' model (in terms of its potential to lead to network frustration). By using the results of the largest and most...
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