NewtonPlus: Approximating Relativistic Effects in Supernova Simulations

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We propose an approximation to full relativity that captures the main gravitational effects of dynamical importance in supernovae. The conceptual link between this formalism and the Newtonian limit is such that it could likely be implemented relatively easily in existing multidimensional Newtonian gravitational hydrodynamics codes employing a Poisson solver. As a test of the formalism's utility, we display results for rapidly rotating (and therefore highly deformed) neutron stars.

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Cardall, C.Y. August 21, 2001.

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Description

We propose an approximation to full relativity that captures the main gravitational effects of dynamical importance in supernovae. The conceptual link between this formalism and the Newtonian limit is such that it could likely be implemented relatively easily in existing multidimensional Newtonian gravitational hydrodynamics codes employing a Poisson solver. As a test of the formalism's utility, we display results for rapidly rotating (and therefore highly deformed) neutron stars.

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  • Physics Potential of Supernova II Neutrino Detection, Marina del Rey, CA (US), 02/15/2001--02/16/2001

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  • Report No.: P01-111666
  • Grant Number: AC05-00OR22725
  • Office of Scientific & Technical Information Report Number: 788590
  • Archival Resource Key: ark:/67531/metadc722484

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  • August 21, 2001

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  • Sept. 29, 2015, 5:31 a.m.

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  • March 30, 2016, 1:23 p.m.

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Cardall, C.Y. NewtonPlus: Approximating Relativistic Effects in Supernova Simulations, article, August 21, 2001; Tennessee. (digital.library.unt.edu/ark:/67531/metadc722484/: accessed August 24, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.