Is the high mass binary pulsar PSR J 1614-2230 a latent magnetar? Is the high mass binary pulsar PSR J 1614-2230 a latent magnetar?

Details Is the high mass binary pulsar PSR J 1614-2230 a latent magnetar? Is the high mass binary pulsar PSR J 1614-2230 a latent magnetar? Is the high mass binary pulsar PSR J 1614-2230 a latent magnetar? Is the high mass binary pulsar PSR J 1614-2230 a latent magnetar?

2011-11-30

arxiv.org/abs/1111.7092v1

Astronomy and Astrophysics

Astrophysics

High Energy Astrophysical Phenomena

5 Latex pages

Scientific paper

We consider the newly found high mass and low magnetic field binary pulsar PSR J1614-2230 in a model in which magnetars owe their strong magnetic fields to a high baryon density, magnetized core. In our magnetar model all neutron stars above a certain threhold mass are magnetars. This confronts us with the very basic paradox as to why this high mass star, PSR J1614-2230, remains a pulsar and shows no magnetar characteristics. This is a star that has acquired its large mass by accretion from its binary companion over 5 gigayears. In this work we show that the maximum rate of energy gain from the strong interaction phase transition from this slow accretion does not allow for high enough interior temperature for ambipolar transport of the magnetic field to the surface of the star and thus the PSR J 1614-2230 remains latent and does not become an emergent magnetar.

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