Astronomy and Astrophysics – Astrophysics – General Relativity and Quantum Cosmology
Scientific paper
2002-04-29
Acta Phys.Polon. B32 (2001) 3593-3603
Astronomy and Astrophysics
Astrophysics
General Relativity and Quantum Cosmology
3 figures eps
Scientific paper
Disturbing of a spacetime geometry may result in the appearance of an oscillating and damped radiation - the so-called quasinormal modes. Their periods of oscillations and damping coefficients carry unique information about the mass and the angular momentum, that would allow one to identify the source of the gravitational field. In this talk we present recent bounds on the diffused energy, applicable to the Schwarzschild spacetime, that give also rough estimates of the energy of excited quasinormal modes.
Karkowski Janusz
Malec Edward
Swierczynski Zdobyslaw
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