Incorporating sidereal modulation spectral features improves excess-power constraints on ultra-light dark matter by up to 36 percent at low frequencies, and an optimized cross-correlation statistic in the Band-Sampled-Data framework boosts sensitivity by up to 42 percent at low frequencies and 35 pe
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Using LIGO O3 continuous-wave search data, the authors place the first constraints on ellipticities of self-interacting fermionic dark matter admixed neutron stars and exclude regions of the DM parameter space for masses in [0.1,10] GeV.
Two LIGO transients are consistent with domain wall signals from a shared scalar field but binary black hole models remain favored, with a morphological degeneracy identified.
ULDM oscillations in constants create directional signals in LISA/Taiji that survive TDI processing, with a new local observable improving sensitivity to dilaton-electron coupling d_e by three orders of magnitude over standard Michelson channels.
Dynamic LISA/Taiji sensitivity curves exhibit 20% low-frequency variation and 70% directional source-count variation relative to static models, with quadrant patterns at low frequencies.
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Optimising ultra-light dark matter searches with ground-based interferometers
Incorporating sidereal modulation spectral features improves excess-power constraints on ultra-light dark matter by up to 36 percent at low frequencies, and an optimized cross-correlation statistic in the Band-Sampled-Data framework boosts sensitivity by up to 42 percent at low frequencies and 35 pe
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First Constraints on the Ellipticities of Self-Interacting Fermionic Dark Matter Admixed Neutron Stars from Continuous Gravitational-Wave Searches
Using LIGO O3 continuous-wave search data, the authors place the first constraints on ellipticities of self-interacting fermionic dark matter admixed neutron stars and exclude regions of the DM parameter space for masses in [0.1,10] GeV.