Speaker
Description
Pulsar glitches—sudden and discrete jumps in the rotational frequency of neutron stars—are important observational tools for studying matter at supranuclear densities. In this work, we present an updated analysis of glitch mechanisms and their implications for understanding the internal structure of neutron stars. We focus on the dynamics of vortex unpinning in the superfluid interior and the stresses present in the crustal lattice. Using current glitch catalogs, we investigate the relationship between the sizes of glitches, spin-down rates, and the Fractional Moment of Inertia (FMI) related to angular momentum transfer. Our findings reveal a strong correlation between long-term glitch activity and the secular spin-down torque, which allows us to better constrain the FMI of the neutron star's superfluid component. These constraints provide insights into crust-core coupling and offer meaningful observational tests for competing models of dense-matter equations of state.
| Stream | Science or Engineering |
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