Dr Ling (Lilli) Sun
Research Fellow, Centre for Gravitational Astrophysics, The Australian National University
ARC DECRA Fellow
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I am a research fellow at the Centre for Gravitational Astrophysics (CGA) at the Australian National University. I am a member of the Laser Interferometer Gravitational-wave Observatory (LIGO) Scientific Collaboration, an ARC DECRA Fellow, and one of the Chief Investigators of the ARC Centre of Excellence for Gravitational Wave Discovery (OzGrav).
My primary research interests are gravitational-wave data analysis and studying fundamental physics from gravitational-wave observations, including:
black hole superradiance, ultralight bosons, particle dark matter
black hole spectroscopy
binary neutron star post-merger physics
continuous waves from neutron stars
calibration of the gravitational-wave detectors
science of the next-generation detectors
In particular, I am interested in bringing together advanced computing and signal processing techniques, gravitational-wave data and theory, as well as the understanding of the instruments for gravitational-wave observation.
News:
Apr 7, 2025 Search for continuous gravitational waves from neutron stars in five globular clusters with a phase-tracking hidden Markov model in the third LIGO observing run (Dunn, Melatos, Clearwater, Suvorova, Sun, Moran, Evans) is published in Phys. Rev. D 111, 083012 (2025), arXiv:2503.15773
Apr 1, 2025 Media release "Random conversation leads to innovative dark matter detector design"
Mar 24, 2025 Differential torsion sensor for direct detection of ultralight vector dark matter (Sun, Slagmolen, Qin) is published in Phys. Rev. D 111, 063064 (2025), arXiv:2402.08935
Mar 12, 2025 Impact of calibration uncertainties on Hubble constant measurements from gravitational-wave sources (Huang, Chen, Haster, Sun, Vitale, Kissel) is published in Phys. Rev. D 111, 063034 (2025), arXiv:2204.03614
Mar 11, 2025 Mapping inspiral-merger-ringdown waveforms of binary black holes from black hole perturbation waveforms by machine learning (Zhong, Han, Sun) is published in Phys. Rev. D 111, 064033 (2025), arXiv:2503.04534
Mar 10, 2025 Methodology for constraining ultralight vector bosons with gravitational wave searches targeting merger remnant black holes (Jones, Siemonsen, Sun, East, Miller, Wette, Piccinni) is published in Phys. Rev. D 111, 063028 (2025), arXiv:2412.00320
Feb 26, 2025 Determination of the birth-mass function of neutron stars from observations (You et al.) is published in Nature Astronomy (2025), arXiv:2412.05524
Dec 19, 2024 Invited talk at KAGRA Future Working Group 4th open meeting: Differential torsion sensor for direct detection of ultralight vector dark matter, Tokyo, Japan
Dec 19, 2024 Observational prospects of self-interacting scalar superradiance with next-generation gravitational-wave detectors (Collaviti, Sun, Galanis, Baryakhtar) is published in CQG, 42 025006 (2025), arXiv:2407.04304
Dec 4, 2024 Invited talk at 2024 AIP Congress: Dark matter detection with gravitational-wave science -- a new differential torsion sensor for ultralight vector dark matter, Melbourne, Australia
Nov 19, 2024 Invited talk at the Institute for Nuclear Theory Workshop -- Discovering Continuous GW with Nuclear, Astro and Particle Physics, Seattle, USA
Jul 7, 2024 Invited lecturer at the Continuous Gravitational Waves School hosted by Kavli Institute for Astronomy and Astrophysics, Peking University, Beijing, China (also sat in a panel for a special "Women in Science" session in the school)
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