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Glitches as probes of neutron star internal structure and dynamics: effects of the superfluid-superconducting core

Gügercinoğlu, Erbil (2017) Glitches as probes of neutron star internal structure and dynamics: effects of the superfluid-superconducting core. In: 11th International Conference Physics of Neutron Stars - 50 Years After, Saint Petersburg, Russia

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Official URL: http://dx.doi.org/10.1088/1742-6596/932/1/012037

Abstract

Glitches, sudden spin-up of pulsars with subsequent recovery, provide us with a unique opportunity to investigate various physical processes, including the crust-core coupling, distribution of reservoir angular momentum within different internal layers, spin-up in neutral and charged superfluids and constraining the equation of state of the neutron star (NS) matter. In this work, depending on the dynamic interaction between the vortex lines and the nuclei in the inner crust, and between the vortex lines and the magnetic flux tubes in the outer core, various types of relaxation behavior are obtained and confronted with the observations. It is shown that the glitches have strong potential to deduce information about the cooling behavior and interior magnetic field configuration of NSs. Some implications of the relative importance of the external spin-down torques and the superfluid internal torques for recently observed unusual glitches are also discussed.

Item Type:Papers in Conference Proceedings
Subjects:Q Science > QB Astronomy > QB460-466 Astrophysics
Q Science > QB Astronomy
ID Code:35526
Deposited By:Erbil Gügercinoğlu
Deposited On:13 Aug 2018 09:33
Last Modified:13 Aug 2018 09:35

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