Physics – High Energy Physics – High Energy Physics - Theory
Scientific paper
2009-07-24
Phys.Lett.B681:282-286,2009
Physics
High Energy Physics
High Energy Physics - Theory
6 pages, 6 figures
Scientific paper
10.1016/j.physletb.2009.10.009
The role of domain wall junctions in Carter's pentahedral model is investigated both analytically and numerically. We perform, for the first time, field theory simulations of such model with various initial conditions. We confirm that there are very specific realizations of Carter's model corresponding to square lattice configurations with X-type junctions which could be stable. However, we show that more realistic realizations, consistent with causality constraints, do lead to a scaling domain wall network with Y-type junctions. We determine the network properties and discuss the corresponding cosmological implications, in particular for dark energy.
Avelino Pedro P.
Menezes J.
Menezes Ronaldo
Oliveira C. R. J. E.
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