Astronomy and Astrophysics – Astrophysics
Scientific paper
2006-09-29
Phys.Rev.Lett.98:261101,2007
Astronomy and Astrophysics
Astrophysics
4 pages, 4 figures, accepted for publication in Phys. Rev. Lett
Scientific paper
10.1103/PhysRevLett.98.261101
We present results from the first 2D and 3D simulations of the collapse of rotating stellar iron cores in general relativity employing a finite-temperature equation of state and an approximate treatment of deleptonization during collapse. We compare fully nonlinear and conformally flat spacetime evolution methods and find that the conformally flat treatment is sufficiently accurate for the core-collapse supernova problem. We focus on the gravitational wave (GW) emission from rotating collapse, core bounce, and early postbounce phases. Our results indicate that the GW signature of these phases is much more generic than previously estimated. In addition, we track the growth of a nonaxisymmetric instability of dominant m = 1 character in one of our models that leads to prolonged narrow-band GW emission at ~930 Hz over several tens of milliseconds.
Dimmelmeier Harald
Hawke Ian
Janka H.-Th.
Marek Andreas
Ott Christian David
No associations
LandOfFree
3D Collapse of Rotating Stellar Iron Cores in General Relativity including Deleptonization and a Nuclear Equation of State does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.
If you have personal experience with 3D Collapse of Rotating Stellar Iron Cores in General Relativity including Deleptonization and a Nuclear Equation of State, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and 3D Collapse of Rotating Stellar Iron Cores in General Relativity including Deleptonization and a Nuclear Equation of State will most certainly appreciate the feedback.
Profile ID: LFWR-SCP-O-183852