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Chin. Phys. B, 2008, Vol. 17(3): 1147-1151    DOI: 10.1088/1674-1056/17/3/066

Re-research on the size of proto-neutron star in core-collapse supernova

Luo Zhi-Quan, Liu Men-Quan
Institute of Theoretical Physics, China West Normal University, Nanchong 637002, China
Abstract  The electron capture timescale may be shorter than hydrodynamic timescale in inner iron core of core-collapse supernova according to a recent new idea. Based on the new idea, this paper carries out a numerical simulation on supernova explosion for the progenitor model Ws15M$_{\odot}$. The numerical result shows that the size of proto-neutron star has a significant change (decrease about 20{\%}), which may affects the propagation of the shock wave and the final explosion energy.
Keywords:  proto-neutron star      shock wave      supernova explosion     
Received:  23 May 2007      Published:  04 March 2008
PACS:  97.60.Bw (Supernovae)  
  97.21.+a (Pre-main sequence objects, young stellar objects (YSO's) and protostars (T Tauri stars, Orion population, Herbig-Haro objects, Bok globules, bipolar outflows, cometary nebulae, etc.))  
  97.60.Jd (Neutron stars)  
Fund: Project supported by the National Natural Science Foundation of China (Grant No 10778719); the Scientific Research and Fund of Sichuan Provincial Education Department of China (Grant No 2006A079) and the Science and Technological Foundation of China West Normal University.

Cite this article: 

Luo Zhi-Quan, Liu Men-Quan Re-research on the size of proto-neutron star in core-collapse supernova 2008 Chin. Phys. B 17 1147

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