Astronomy and Astrophysics – Astrophysics – General Relativity and Quantum Cosmology
Scientific paper
1997-02-16
Class.Quant.Grav. 15 (1998) 997-1003
Astronomy and Astrophysics
Astrophysics
General Relativity and Quantum Cosmology
The final version. To be published in CQG. The proof is made more detailed and a few minor errors are corrected
Scientific paper
10.1088/0264-9381/15/4/020
A time machine (TM) is constructed whose creating in contrast to all TMs
known so far requires neither singularities, nor violation of the weak energy
condition (WEC). The spacetime exterior to the TM closely resembles the
Friedmann universe.
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