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Probing neutron star interiors with pulsar glitches

Published online by Cambridge University Press:  04 June 2018

Brynmor Haskell
Brynmor Haskell*
Affiliation:
Nicolaus Copernicus Astronomical Center of the Polish Academy of Sciences Ulica Bartycka 18, 00-716 Warszawa, Poland email: bhaskell@camk.edu.pl
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Abstract

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Pulsar glitches are thought to be probes of the superfluid interior of neutron stars. These sudden jumps in frequency observed in many pulsars are generally assumed to be the macroscopic manifestation of superfluid vortex motion on a microscopic scale. Resolving and modelling such phenomena on the scale of a neutron star is, however, a challenging problem which still remains open, fifty years after the discovery of pulsars. In this article I will review recent theoretical progress, both on the microscopic level and on the macroscopic level, and discuss which constraints on the models can be provided by observations.

Keywords

stars: neutronpulsars: generalhydrodynamicsequation of state

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