Traversability of multi-boundary wormholes
Traversability of multi-boundary wormholes
复制标题
多边界虫洞的可穿越性
DOI:
10.1007/jhep04(2021)083
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发表时间:
2021
影响因子:
5.4
通讯作者:
Marolf, Donald
中科院分区:
文献类型:
--
作者:
Al Balushi, Abdulrahim;Wang, Zhencheng;Marolf, Donald
We generalize the Gao-Jafferis-Wall construction of traversable two-sided wormholes to multi-boundary wormholes. In our construction, we take the background spacetime to be multi-boundary black holes in AdS 3. We work in the hot limit where the dual CFT state in certain regions locally resembles the thermofield double state. Furthermore, in these regions, the hot limit makes the causal shadow exponentially small. Based on these two features of the hot limit, and with the three-boundary wormhole as our main example, we show that traversability between any two asymptotic regions in a multi-boundary wormhole can be triggered using a double-trace deformation. In particular, the two boundary regions need not have the same temperature and angular momentum. We discuss the non-trivial angular dependence of traversability in our construction, as well as the effect of the causal shadow region.
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