LISA forecasts for quadratically coupled ultralight dark matter show competitive or superior sensitivity to terrestrial and astrophysical probes in selected mass windows, free of screening.
On the detectability of ultralight scalar field dark matter with gravitational-wave detectors
5 Pith papers cite this work. Polarity classification is still indexing.
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abstract
An ultralight scalar field is one of the dark matter candidates. If it couples with Standard Model particles, it oscillates mirrors in gravitational-wave detectors and generates detectable signals. We study the spectra of the signals taking into account the motion of the detectors due to the Earth's rotation/the detectors' orbital motion around the Sun and formulate a suitable data-analysis method to detect it. We find that our method can improve the existing constraints given by fifth-force experiments on one of the scalar field's coupling constants by a factor of $\sim 30$, $\sim 100$ and $\sim 350$ for $m_\phi = 2 \times 10^{-17}~\mathrm{eV},~10^{-14}~\mathrm{eV}$ and $10^{-12}~\mathrm{eV}$ respectively, where $m_\phi$ is the scalar field's mass. Our study demonstrates that experiments with gravitational-wave detectors play a complementary role to that Equivalence Principle tests do.
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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.
Josephson junctions can detect ultralight boson potentials through induced phase shifts, enabling probes of photophilic scalars, Lorentz-violating scalars, and axion monopole-dipole interactions depending on source polarization.
Future high-frequency-sensitive GW detectors can distinguish binary neutron star from low-mass black hole mergers in late phases, enabling separation of merger rates and constraints on heavy non-annihilating dark matter via transmuted black holes.
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.
citing papers explorer
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Probing Quadratically Coupled Ultralight Dark Matter with the Laser Interferometer Space Antenna
LISA forecasts for quadratically coupled ultralight dark matter show competitive or superior sensitivity to terrestrial and astrophysical probes in selected mass windows, free of screening.
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Signatures of Ultralight Dark Matter in Space-Based Laser Interferometers
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.
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Searching for ultralight bosons with Josephson junction interferometry
Josephson junctions can detect ultralight boson potentials through induced phase shifts, enabling probes of photophilic scalars, Lorentz-violating scalars, and axion monopole-dipole interactions depending on source polarization.
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Distinguishing Neutron Star vs. Low-Mass Black Hole Binaries with Late Inspiral & Postmerger Gravitational Waves $-$ Sensitivity to Transmuted Black Holes and Non-Annihilating Dark Matter
Future high-frequency-sensitive GW detectors can distinguish binary neutron star from low-mass black hole mergers in late phases, enabling separation of merger rates and constraints on heavy non-annihilating dark matter via transmuted black holes.
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Construction of Sensitivity Curves for Dynamic LISA and Taiji
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.