论文标题

标量场五五位宇宙学模型的动力学

The dynamics of scalar-field Quintom cosmological models

论文作者

Tot, Jonathan, Yildirim, Balkar, Coley, Alan, Leon, Genly

论文摘要

我们将介绍由相互作用的典型标量场和幻影组成的五重量模型的完整(压缩)动力学系统分析。我们找到了模型参数$κ,λ$的范围,因此存在两个经历两个通货膨胀期的五五五元宇宙学,并且这种行为不会因空间曲率而破坏。我们还讨论了一类弹跳的宇宙学。最后,研究了线性宇宙学的扰动。

We shall present a complete (compactified) dynamical systems analysis of the Quintom model comprised of an interacting quintessence scalar field and a phantom. We find a range for the model parameters $κ, λ$ such that there are expanding Quintom cosmologies that undergo two inflationary periods, and this behaviour is not destabilized by spatial curvature. We also discuss a class of bouncing cosmologies. Finally, the linear cosmological perturbations are studied.

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