Nuclear-powered X-ray millisecond pulsars
Sudip Bhattacharyya (TIFR, India)
TL;DR
Nuclear-powered X-ray millisecond pulsars are a new class of pulsars that exhibit burst oscillations during thermonuclear X-ray bursts, offering insights into neutron star physics and surface phenomena.
Contribution
This chapter provides an overview of nuclear-powered X-ray millisecond pulsars, highlighting their unique properties and potential for probing neutron star interior physics.
Findings
Observation of burst oscillations during thermonuclear X-ray bursts
Use of X-ray timing to measure neutron star spin rates
Potential to study neutron star interior and surface physics
Abstract
Nuclear-powered X-ray millisecond pulsars are the third type of millisecond pulsars, which are powered by thermonuclear fusion processes. The corresponding brightness oscillations, known as burst oscillations, are observed during some thermonuclear X-ray bursts, when the burning and cooling accreted matter gives rise to an azimuthally asymmetric brightness pattern on the surface of the spinning neutron star. Apart from providing neutron star spin rates, this X-ray timing feature can be a useful tool to probe the fundamental physics of neutron star interior and surface. This chapter presents an overview of the relatively new field of nuclear-powered X-ray millisecond pulsars.
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