Multidimensional Simulations of Convection on the Surface of Neutron Stars

Details Multidimensional Simulations of Convection on the Surface of Neutron Stars Multidimensional Simulations of Convection on the Surface of Neutron Stars

Sep 2008

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008aas...212.1607m&link_type=abstract

American Astronomical Society, AAS Meeting #212, #16.07; Bulletin of the American Astronomical Society, Vol. 40, p.531

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We present preliminary results of plane-parallel multidimensional simulations of helium burning in the accreted layer of a neutron star, under conditions amenable to Type I X-Ray Bursts. Using a low Mach number hydrodynamics code, MAESTRO, we are able to follow the heating from nuclear reactions and watch it drive convection throughout the layer. We report on the dynamics and energetics leading up to thermonuclear runaway as well as the state of the system in which the burning front will propagate.
This work is supported under DOE/Office of Nuclear Physics grant No. DE-FG02-06ER41448 to SUNY Stony Brook, and by the SciDAC Program of the DOE Office of Mathematics, Information, and Computational Sciences under the U.S. Department of Energy under contract No. DE-AC02-05CH11231.

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