(2+1)维引力中渐近微分同胚的动力学
广义相对论与量子宇宙学
2010-04-28 v4 高能物理 - 理论
摘要
在渐近反德西特引力中，改变共形边界数据的微分同胚可提升为真正的物理自由度。我证明在2+1维中，这些自由度的动力学由Liouville作用量描述，其具有正确的中心荷以重现BTZ黑洞的熵。
引用
@article{arxiv.gr-qc/0501033,
title = {Dynamics of Asymptotic Diffeomorphisms in (2+1)-Dimensional Gravity},
author = {S. Carlip},
journal= {arXiv preprint arXiv:gr-qc/0501033},
year = {2010}
}
备注
8 pages, LaTeX; v2: slightly expanded discussion of implications, more references; v3: more explicit comparison to Chern-Simons approach and discussion of role of constraints; v4: added discussion of relationships to and differences with earlier work, new and corrected references