Prospects for detecting transient quasi-monochromatic gravitational waves from glitching pulsars with current and future detectors

ABSTRACT Pulsars are rotating neutron stars that emit periodic electromagnetic radiation. While pulsars generally slow down as they lose energy, some also experience glitches: spontaneous increases of their rotational frequency. According to several models, these glitches can lead the emission long-duration transient gravitational waves (GWs). We present detection prospects for such signals by comparing indirect energy upper limits on GW strain known with sensitivity current and future ground-based detectors. first consider optimistic case generic constraints based glitch size find realistic matched-filter searches in fourth LIGO–Virgo–KAGRA observing run (O4) could make a detection, or set below limits, equivalents 36 out 726 previously observed glitches, 74 O5 run. With third-generation Einstein Telescope Cosmic Explorer, 35–40 per cent would be accessible. When specializing scenario where mountains produce post-glitch emission, following Yim & Jones model, stricter. Out smaller 119 measured healing parameter, needed predictions under only 6 have been within reach O4 14 O5, similar percentage before discuss how this model matches population.