MG12 - Talk detail |
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Participant |
Kadlecova, Hedvika | |
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Institution |
Institute of Theoretical Physics, Charles University of Prague - v Holesovickach 2, Prague 8 - Prague - Czech republic - Czech Republic | |
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Session |
Talk |
Abstract |
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MGAT4 |
Gyratons on direct product spacetimes |
We present and analyze exact solutions of algebraic type II on backgrounds which are a direct product of 2 spaces of constant curvature. This family of (electro)vacuum background spacetimes contains the Nariai, anti-Nariai and Plebanski-Hacyan universes of type D, or conformally flat Berttoti-Robinson and Minkowski spaces. The gyraton solutions are given in a simple Kundt metric form. They belong to the recently discussed class of spacetimes constant scalar invariants (CSI) of the curvature tensor. We show that the Einstein equations reduce to a set of linear equations on the transverse 2-space which can be explicitly solved using the Green functions. |