Time, Closed Timelike Curves and Causality
General Relativity and Quantum Cosmology
2007-05-23 v2
Abstract
General Relativity is contaminated with non-trivial geometries which generate closed timelike curves. These apparently violate causality, producing time-travel paradoxes. We shall briefly discuss these geometries and analyze some of their physical aspects.
Cite
@article{arxiv.gr-qc/0206078,
title = {Time, Closed Timelike Curves and Causality},
author = {Francisco Lobo and Paulo Crawford},
journal= {arXiv preprint arXiv:gr-qc/0206078},
year = {2007}
}
Comments
8 pages, LaTeX2e, Kluwer Academic style files-included. Invited talk at the NATO Advanced Research Workshop, The Nature of Time: Geometry, Physics and Perception, May 21-24, 2002, Tatranska Lomnica, Slovak Republic. Revised version