Nonlinear evolution of r-modes in rotating relativistic stars
| dc.creator | Font, Jose A. | |
| dc.creator | Stergioulas, Nikolaos | |
| dc.date | 2000-11-03 | |
| dc.date.accessioned | 2026-07-25T11:26:09Z | |
| dc.description | A numerical study of nonlinear r-modes in isentropic, rapidly rotating relativistic stars, via 3-D general-relativistic hydrodynamical evolutions, is presented. On dynamical timescales, we find no evidence for strong coupling of r-modes to other modes at amplitudes of order one or larger. Therefore, unless nonlinear saturation sets in on longer timescales, the maximum r-mode amplitude is of order one. An absolute upper limit on the amplitude is set by causality. Our simulations also show that r-modes and inertial modes in isentropic stars are discrete modes, with no evidence for the existence of a continuous part in the spectrum. | |
| dc.description | 4 pages, 1 figure, to appear in the proceedings of the Spanish Astronomical Society Meeting 2000 | |
| dc.identifier | https://arxiv.org/abs/astro-ph/0011083 | |
| dc.identifier | http://arxiv.org/abs/astro-ph/0011083 | |
| dc.identifier.uri | https://dspace.dare.co.zw/handle/123456789/2668 | |
| dc.subject | Astrophysics | |
| dc.title | Nonlinear evolution of r-modes in rotating relativistic stars | |
| dc.type | text |