The anti-de Sitter spacetime as a time machine

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作者：
Faizuddin Ahmed
Bidyut Bikash Hazarika
Debojit Sarma
机构：
[1] Cotton College,Department of Physics
[2] Gauhati University,Department of Physics
来源：
The European Physical Journal Plus | / 131卷
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摘要：
We construct an axially symmetric spacetime admitting, after a certain instant, closed timelike curves (CTCs) indicating that it is a time-machine spacetime. The spacetime, which is locally anti-de Sitter, is a four-dimensional extension of the Misner space with identical causality-violating properties. In this spacetime, CTCs evolve from a casually well-behaved initial hypersurface.
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