New light on time machines: Against the chronology protection conjecture

Details New light on time machines: Against the chronology protection conjecture New light on time machines: Against the chronology protection conjecture

Nov 1994

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1994phrvd..50.6037l&link_type=abstract

Physical Review D (Particles, Fields, Gravitation, and Cosmology), Volume 50, Issue 10, 15 November 1994, pp.R6037-R6040

Physics

12

Spacetime Topology, Causal Structure, Spinor Structure, Exact Solutions, Quantum Field Theory In Curved Spacetime

Scientific paper

I construct a spacetime with closed timelike curves and without closed causal geodesics. There is a noncompactly generated Cauchy horizon separating the region with closed timelike curves from that without closed causal curves. This spacetime might be stable against the vacuum fluctuation of matter fields. Whether such a spacetime is stable against the vacuum fluctuation of a gravitational field is an open question.

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