Magnetic collapse of a neutron gas: Can magnetars indeed be formed

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dc.creatorMartinez, A. Perez
dc.creatorRojas, H. Perez
dc.creatorCuesta, H. J. Mosquera
dc.date2003-03-10
dc.date2003-03-13
dc.date.accessioned2026-07-07T12:25:49Z
dc.date.available2026-07-07T12:25:49Z
dc.descriptionA relativistic degenerate neutron gas in equilibrium with a background of electrons and protons in a magnetic field exerts its pressure anisotropically, having a smaller value perpendicular than along the magnetic field. For critical fields the magnetic pressure may produce the vanishing of the equatorial pressure of the neutron gas. Taking it as a model for neutron stars, the outcome could be a transverse collapse of the star. This fixes a limit to the fields to be observable in stable neutron star pulsars as a function of their density. The final structure left over after the implosion might be a mixed phase of nucleons and meson condensate, a strange star, or a highly distorted black hole or black "cigar", but no any magnetar, if viewed as a super strongly magnetized neutron star. However, we do not exclude the possibility of a supersotrong magnetic fields arising in supernova explosions which lead directly to strange stars. In other words, if any magnetars exist, they cannot be neutron stars.
dc.description15 pages, 3 figures. European Physical Journal C in press
dc.identifierhttps://arxiv.org/abs/astro-ph/0303213
dc.identifierhttp://arxiv.org/abs/astro-ph/0303213
dc.identifierEur.Phys.J.C29:111-123,2003
dc.identifierdoi:10.1140/epjc/s2003-01192-6
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/214687
dc.subjectAstrophysics
dc.subjectGeneral Relativity and Quantum Cosmology
dc.subjectHigh Energy Physics - Phenomenology
dc.subjectNuclear Theory
dc.titleMagnetic collapse of a neutron gas: Can magnetars indeed be formed
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