帽子里的人口普查：FRW/CFT二元性
Census Taking in the Hat: FRW/CFT Duality
摘要：
在本文中，全息描述永恒的通货膨胀的发展。我们专注于描述一个开放的FRW宇宙，结果从一个隧道事件中，一个假真空与正真空能量衰减到一个超对称真空与消失的宇宙学常数。“人口普查员”在最终真空中的观测可以被组织成一个全息对偶共形场论，它存在于空间的渐近边界上。我们把这种体边界对应称为FRW/CFT对偶。对偶CFT是一个欧几里得二维理论，它包括一个描述边界几何波动的刘维尔二维重力扇区。该理论的RG流比ADS/CFT对应更丰富，并产生两个时空维度--一个类空和一个类时。我们讨论了一些现象，如气泡碰撞，和Garriga，Guth，Vilenkin的“记忆的持久性”，从对偶的观点。
英文摘要：
In this paper a holographic description of eternal inflation is developed. We focus on the description of an open FRW universe that results from a tunneling event in which a false vacuum with positive vacuum energy decays to a supersymmetric vacuum with vanishing cosmological constant. The observations of a "Census Taker" in the final vacuum can be organized into a holographic dual conformal field theory that lives on the asymptotic boundary of space. We refer to this bulk-boundary correspondence as FRW/CFT duality. The dual CFT is a Euclidean two-dimensional theory that includes a Liouville 2-D gravity sector describing geometric fluctuations of the boundary. The RG flow of the theory is richer than in the ADS/CFT correspondence, and generates two space-time dimensions--one space-like and one time-like. We discuss a number of phenomena such as bubble collisions, and the Garriga, Guth, Vilenkin "persistence of memory," from the dual viewpoint.
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