Backscattering of electromagnetic and gravitational waves off Schwarzschild geometry: numerical results
نویسندگان
چکیده
This paper shows that the backscattering of electromagnetic and gravitational waves can be dominant when the radiation is produced very close to a spherical black hole. Numerical investigation shows that almost 50 percent of the outgoing quadrupole gravitational wave is backscattered, for a class of initial data. A similar analysis reveals at least 20 percent effect for a dipole electromagnetic radiation. Numerical results confirm theoretical predictions that the backscatter of short wavelength radiation is negligible. In the longradiation band is observed a rather weak dependence on the wavelength. Our studies base on the linear approximation. 04.20.-q 04.30.Nk 04.40.-b 95.30.Sf Typeset using REVTEX 1
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