Quantum instability of magnetized stellar objects

Details Quantum instability of magnetized stellar objects Quantum instability of magnetized stellar objects

2002-07-06

arxiv.org/abs/astro-ph/0207150v3

Chin.J.Astron.Astrophys.5:399,2005

Astronomy and Astrophysics

Astrophysics

14 pages, 2 figures, uses ChJAA LaTeX macro; final version to appear in ChJAA

Scientific paper

10.1088/1009-9271/5/4/007

The equations of state for degenerate electron and neutron gases are studied in the presence of magnetic fields. After including quantum effects to study the structural properties of these systems, it is found that some hypermagnetized stars can be unstable based on the criterium of stability of pressures. Highly magnetized white dwarfs should collapse producing a supernova type Ia, whilst superstrongly magnetized neutron stars cannot stand their own magnetic field and must implode, too. A comparison of our results with a set of the available observational data of some compact stars is also presented, and the agreement between this theory and observations is verified.

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