Metadata aliases: [] shorthands: {} created: 2022-02-22 14:33:23 modified: 2022-03-01 16:46:56 Let be a Minkowski spacetimeand . We call lightlike if
aliases: [] shorthands: {} created: 2022-02-22 14:33:23 modified: 2022-03-01 16:46:56
Where is the Minkowski metric.
Lightlike vectors are on the boundary of a lightcone.