The anti-de Sitter spacetime as a time machine
Department of Physics, Cotton College, 781001, Guwahati, India
2 Department of Physics, Gauhati University, 781014, Guwahati, India
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Accepted: 11 June 2016
Published online: 7 July 2016
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.
© Società Italiana di Fisica and Springer-Verlag Berlin Heidelberg, 2016