Title of article
A vacuum spacetime with closed null geodesics Original Research Article
Author/Authors
Debojit Sarma، نويسنده , , Mahadev Patgiri، نويسنده , , Shaikh Faiz Uddin Ahmed، نويسنده ,
Issue Information
روزنامه با شماره پیاپی سال 2013
Pages
6
From page
179
To page
184
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
Plane wave spacetimes , Vacuum spacetimes , Local isometry , Closed null geodesics
Journal title
Annals of Physics
Serial Year
2013
Journal title
Annals of Physics
Record number
1206706
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