General Relativity and Gravitation

, Volume 36, Issue 11, pp 2549-2557

First online:

Letter: Causality Violating Geodesics in Bonnor's Rotating Dust Metric

  • Peter CollasAffiliated withDepartment of Physics and Astronomy, California State University
  • , David KleinAffiliated withDepartment of Mathematics, California State University

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We exhibit timelike geodesic paths for a metric, introduced by Bonnor [11] and considered also by Steadman [13], and show that coordinate time runs backward along a portion of these geodesics.

causality violations Bonnor's rotating dust metric