One possible solution of peculiar type Ia supernovae explosions caused by a charged white dwarf

Abstract

Recent astrophysics observation reveals the existence of some super luminous type Ia supernovae. One natural explanation of such a peculiar phenomenon is to require the progenitor of such a supernova to be a highly super-Chandrasekhar mass white dwarf. Along this line, in this paper, we propose a possible mechanism to explain this phenomenon based on a charged white dwarf. In particular, by choosing suitable new variables and a representative charge distribution, an analytic solution is obtained. The stability issue is also discussed, remarkably, it turns out that the charged white dwarf configuration can be dynamically stable. Moreover, we investigate the general relativistic effects and it is shown that the general relativistic effects can be negligible when the mass of the charged white dwarf is below about $3M_{\odot }$.

arXiv comment13 pages, 8 figures, accepted by PRD

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• Gravitational wave in f(R) gravity: possible signature of sub- and super-Chandrasekhar limiting mass white dwarfs
• Study of the charged super-Chandrasekhar limiting mass white dwarfs in the $f(R,\mathcal{T})$ gravity
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• Modified virial theorem for highly magnetized white dwarfs
• Formation, Possible Detection and Consequences of Highly Magnetized Compact Stars
• The Quasi-normal Modes of Charged Scalar Fields in Kerr-Newman black hole and Its Geometric Interpretation
• White dwarf structure in $f(R,T,L_m)$ gravity: beyond the Chandrasekhar mass limit
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