P T Leung et al 2003 Class. Quantum Grav. 20 L217 doi:10.1088/0264-9381/20/16/101
P T Leung, Alec Maassen van den Brink, K W Mak and K Young
Show affiliationsBesides the well-known quasinormal modes, the gravitational spectrum of a Schwarzschild black hole also has a continuum part, i.e., a branch cut in Green's function, on the negative imaginary frequency axis. The latter is studied numerically for quadrupole waves. The results show unexpected striking behaviour near the algebraically special frequency Ω = −4i. This reveals a pair of unconventional damped modes very near Ω, confirmed analytically.
Issue 16 (21 August 2003)
Received 23 April 2003
Published 1 August 2003
P T Leung et al 2003 Class. Quantum Grav. 20 L217
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