论文标题
巨大的galileons和Vainshtein筛选
Massive Galileons and Vainshtein Screening
论文作者
论文摘要
Vainshtein筛选机制依赖于非线性相互作用术语在接近紧凑的来源的占主导地位。但是，通常认为显示这种机制的理论是低能的理论：尚不清楚从紫外线完成中出现的操作员不会干扰诱导Vainshtein筛选的术语。在这项工作中，我们发现了一系列相互作用的巨大的Galileon理论，展示了Vainshtein筛选。研究这些理论的潜在紫外线完成，我们确定筛选无法在扩展中幸存下来。我们发现，在整合厚场时被忽视的操作员是不平凡的，必须注意要确保整个领域的省略术语很小，或者被迫仅与紫外线理论合作。我们还评论熟悉的Wess-Zumino Galileons的大规模变形。
The Vainshtein screening mechanism relies on nonlinear interaction terms becoming dominant close to a compact source. However, theories displaying this mechanism are generally understood to be low-energy theories: it is unclear that operators emerging from UV completion do not interfere with terms inducing Vainshtein screening. In this work, we find a set of interacting massive Galileon theories that exhibit Vainshtein screening; examining potential UV completions of these theories, we determine that the screening does not survive the extension. We find that neglecting operators when integrating out a heavy field is non-trivial, and either care must be taken to ensure that omitted terms are small for the whole domain, or one is forced to work solely with the UV theory. We also comment on massive deformations of the familiar Wess-Zumino Galileons.
