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A vacuum spacetime with closed null geodesics |
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| Authors: | Debojit Sarma Mahadev Patgiri Faiz Uddin Ahmed |
| Affiliation: | Department of Physics, Cotton College, Guwahati-781001, India |
| Abstract: | Here we present a vacuum spacetime with closed null geodesics (CNGs). These CNGs are obtained by analytically solving the geodesic equations. This spacetime is locally isometric to the plane wave spacetime and has very different global properties from metrics of the latter type. |
| Keywords: | Vacuum spacetimes Closed null geodesics Plane wave spacetimes Local isometry |
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