Massive Neutron Stars and White Dwarfs as Noncommutative Fuzzy Spheres

Massive Neutron Stars and White Dwarfs as Noncommutative Fuzzy Spheres

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Over the last couple of decades, there have been direct and indirect evidences for massive compact objects than their conventional counterparts.A couple of such examples are super-Chandrasekhar white dwarfs and massive neutron stars.The observations of more than a dozen peculiar over-luminous type Ia supernovae predict their origins from super-Chandrasekhar white dwarf progenitors.On the other hand, recent gravitational wave detection and some pulsar observations provide arguments for read more massive neutron stars, lying in the famous mass-gap between lowest astrophysical black hole and conventional highest neutron star masses.

We show that the idea of a squashed fuzzy sphere, which brings sophie allport zebra in noncommutative geometry, can self-consistently explain either of the massive objects as if they are actually fuzzy or squashed fuzzy spheres.Noncommutative geometry is a branch of quantum gravity.If the above proposal is correct, it will provide observational evidences for noncommutativity.