Astronomy and Astrophysics – Astrophysics – General Relativity and Quantum Cosmology
Scientific paper
2003-12-18
J.Math.Phys. 45 (2004) 1849-1858
Astronomy and Astrophysics
Astrophysics
General Relativity and Quantum Cosmology
Latex, 15 pages, no figures
Scientific paper
10.1063/1.1695448
Using the analogy with stationary axisymmetric solutions, we present a method to generate new analytic cosmological solutions of Einstein's equation belonging to the class of $T^3$ Gowdy cosmological models. We show that the solutions can be generated from their data at the initial singularity and present the formal general solution for arbitrary initial data. We exemplify the method by constructing the Kantowski-Sachs cosmological model and a generalization of it that corresponds to an unpolarized $T^3$ Gowdy model.
Macias Alfredo
Quevedo Hernando
Sanchez Angel
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