论文标题
Swampland中的非典型动力学结构
Non-canonical kinetic structures in the swampland
论文作者
论文摘要
我们考虑如何将Swampland标准应用于标量领域具有非平凡动力学术语的模型，尤其是在$ P（ϕ，X）$理论的背景下，通常用于通货膨胀方法，其替代方案以及延迟宇宙加速的问题。通过将这些理论嵌入规范的多场模型中，原始理论从中成为低能量的有效田间理论，我们得出了Swampland的约束，并研究了在保留宇宙学上有趣的现象学时可能会避免这些理论的情况。我们进一步证明了这些成功是如何与多场图片中田间空间转弯的现象相关联的。我们研究了特定兴趣的一般问题和特定例子，例如DBI通货膨胀。
We consider how the swampland criteria might be applied to models in which scalar fields have nontrivial kinetic terms, particularly in the context of $P(ϕ,X)$ theories, popularly used in approaches to inflation, to its alternatives, and to the problem of late-time cosmic acceleration. By embedding such theories in canonical multi-field models, from which the original theory emerges as a low-energy effective field theory, we derive swampland constraints, and study the circumstances under which these might be evaded while preserving cosmologically interesting phenomenology. We further demonstrate how these successes are tied to the phenomenon of turning in field space in the multi-field picture. We study both the general problem and specific examples of particular interest, such as DBI inflation.
