An effective LQG polymer metric applied to white dwarf TOV equations shows a free amplitude A_lambda can raise the maximum mass above the Chandrasekhar limit, while the mass asymmetry ratio eta has subpercent effects.
Stability of super-Chandrasekhar magnetic white dwarfs
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abstract
It has been recently proposed that very massive white dwarfs endowed with strongly quantizing magnetic fields might be the progenitors of overluminous type Ia supernovae like SN 2006gz and SN 2009dc. In this work, we show that the onset of electron captures and pycnonuclear reactions in these putative super-Chandrasekhar white dwarfs may severely limit their stability.
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White Dwarf Stellar Structure from Effective Polymer Geometry in Loop Quantum Gravity
An effective LQG polymer metric applied to white dwarf TOV equations shows a free amplitude A_lambda can raise the maximum mass above the Chandrasekhar limit, while the mass asymmetry ratio eta has subpercent effects.