畴壁连接在Carter五面体模型中的作用
The role of domain wall junctions in Carter's pentahedral model
摘要：
研究了卡特五面体模型中畴壁结的作用。我们首次对该模型进行了不同初始条件下的场论模拟。我们确认，有非常具体的实现卡特的模型对应的正方形晶格配置与X型结，这可能是稳定的。然而，我们表明，更现实的实现，符合因果关系的约束，导致缩放域壁网络与Y型交界处。我们确定了网络的性质，并讨论了相应的宇宙学意义，特别是对暗能量。
英文摘要：
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.
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