摘要
We generalize the analysis of [1] to de Sitter space alpha-vacua and compute the entanglement entropy of a free scalar for the half-sphere at late time. (C) 2016 The Author(s). Published by Elsevier B.V.
We generalize the analysis of [1] to de Sitter space alpha-vacua and compute the entanglement entropy of a free scalar for the half-sphere at late time. (C) 2016 The Author(s). Published by Elsevier B.V.
We are very grateful to Akihiko Ishibashi and Kengo Maeda for discussions and collaboration in the initial stage of this work. This work was partially supported by the RIKEN iTHES Project. NI is also supported in part by JSPS KAKENHI Grant Number 25800143. The works of TN and NO are supported by the Special Postdoctoral Researcher Program at RIKEN. TN also thanks Institute for Advanced Study at the Hong Kong University of Science and Technology, where a part of this work was done.