EPRL/FK 模型群场论表述中的量子修正
广义相对论与量子宇宙学
2011-03-07 v2
摘要
我们研究了 EPRL/FK 自旋泡沫模型的群场论表述。这些模型旨在建立 4D 量子引力的动力学（即非拓扑的）表述。我们引入了一种适用于一般群场论振幅的鞍点方法，并将其与现有结果进行了比较，特别是针对 EPRL/FK 传播子的二阶修正。
引用
@article{arxiv.1007.3150,
title = {Quantum Corrections in the Group Field Theory Formulation of the EPRL/FK Models},
author = {Thomas Krajewski and Jacques Magnen and Vincent Rivasseau and Adrian Tanasa and Patrizia Vitale},
journal= {arXiv preprint arXiv:1007.3150},
year = {2011}
}
备注
36 pages, 5 figures; an appendix giving a more precise behaviour of the degenerate configuration case has been added; further comments on geometrogenesis as a group field theory phase transition are given; version accepted for publication in Phys Rev D