Bulletin of the American Physical Society
2009 APS April Meeting
Volume 54, Number 4
Saturday–Tuesday, May 2–5, 2009; Denver, Colorado
Session B4: Frontiers in Computational Astrophysics |
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Sponsoring Units: DAP Chair: Vassiliki Kalogera, Northwestern University Room: Plaza F |
Saturday, May 2, 2009 10:45AM - 11:21AM |
B4.00001: Recent Developments in Simulations of Stellar Core Collapse Invited Speaker: Core-Collapse supernova (and long-duration gamma-ray bursts) make up some of the most energetic explosions in the universe. But understanding these explosions requires combining a wide range of physics into a complex physics problem. Scientists have, since the 1960s, relied upon increasingly complex computational models to simulate both the engines and the light emission behind these explosions. In the past few years, considerable progress in both these sets of calculations have been made. I review this progress here. [Preview Abstract] |
Saturday, May 2, 2009 11:21AM - 11:57AM |
B4.00002: The Interplay between Galaxy Evolution and Supermassive Black Hole Growth Invited Speaker: |
Saturday, May 2, 2009 11:57AM - 12:33PM |
B4.00003: Relativistic Compact Objects and their Environs Invited Speaker: The violent birth of black holes and neutron stars during core- collapse supernovae and merging events probes the fundamental nature of gravity, neutrinos, high-density equations of state, and beyond-QED-strength magnetic fields. Post-birth these compact objects continue to be of significant interest by powering pulsar wind nebulae, active galactic nuclei, x- ray binaries, and giant flares from magnetars. Recent time-dependent numerical general relativistic magnetohydrodynamic (GRMHD) simulations have broken new ground in explaining these systems' birth and evolution, including how magnetized accretion flows around rotating black holes launch ultrarelativistic jets and how pulsars power their surroundings. I discuss some of these recent successes, outstanding questions such as how core-collapse supernovae occur, and how future time-dependent simulations will play a vital role in progressing our understanding of compact objects and their environments. [Preview Abstract] |
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