Effect of Pressure Gradient on the Prompt Explosion Energy of a Supernova Progenitor Ws12M⊙

CHINESE JOURNAL OF COMPUTATIONAL PHYSICS ›› 2006, Vol. 23 ›› Issue (4): 494-498.

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Effect of Pressure Gradient on the Prompt Explosion Energy of a Supernova Progenitor Ws12M_⊙

LIU Men-quan¹, LUO Zhi-quan^1,3, PENG Qiu-he², XIE Zuo-heng⁴

1. Institute of Theoretical Physics, China West Normal University, Nanchong 637002, China;
2. Department of Astronomy, Nanjing University, Nanjing 210093, China;
3. Department of Physics, Sichuan University, Chengdu 610065, China;
4. Institute of Applied Mathematics, Chinese Academy of Sciences, Beijing 100080, China

Received:2005-03-21 Revised:2005-09-07 Online:2006-07-25 Published:2006-07-25

Abstract

Abstract: The supernova prompt explosion of a progenitor model Ws12M_⊙ is simulated.The effect of pressure gradient on the prompt explosion energy of supernova is discussed.Numerical analysis indicates that the explosion energy is sensitive to the increasing of pressure gradient which has minor influence on the pressure. At collapse,bounce or propagation stage,the increasing of pressure gradient can improve the explosion energy obviously.

Key words: supernova, prompt explosion, numerical simulation, pressure gradient

CLC Number:

LIU Men-quan, LUO Zhi-quan, PENG Qiu-he, XIE Zuo-heng. Effect of Pressure Gradient on the Prompt Explosion Energy of a Supernova Progenitor Ws12M_⊙[J]. CHINESE JOURNAL OF COMPUTATIONAL PHYSICS, 2006, 23(4): 494-498.

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Effect of Pressure Gradient on the Prompt Explosion Energy of a Supernova Progenitor Ws12M_⊙

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