On the energy content of electromagnetic and gravitational plane waves through super-energy tensors
On the energy content of electromagnetic and gravitational plane waves through super-energy tensors
The energy content of (exact) electromagnetic and gravitational plane waves is studied in terms of super-energy tensors (the Bel, Bel-Robinson and the --less familiar-- Chevreton tensors) and natural observers. Starting from the case of single waves, the more interesting situation of colliding waves is then discussed, where the nonlinearities of …