Proposes satellite-based artificial pulsar polarization arrays (APPA) that simulations show can set tighter 95% C.L. upper limits on g_aγ than ground observations for axion masses 10^{-22} to 10^{-18} eV.
Search for ultralight scalar dark matter with NANOGrav pulsar timing arrays
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Bayesian analysis of PPTA-DR3 and EPTA-DR2 finds no statistically significant ULDM signals and sets 95% CL upper limits on scalar and dark photon dark matter, improving prior bounds in most mass ranges.
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Artificial Precision Polarization Array: Sensitivity for the axion-like dark matter with clock satellites
Proposes satellite-based artificial pulsar polarization arrays (APPA) that simulations show can set tighter 95% C.L. upper limits on g_aγ than ground observations for axion masses 10^{-22} to 10^{-18} eV.
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Constraints on Ultralight Scalar and Dark Photon Dark Matter from PPTA-DR3 and EPTA-DR2
Bayesian analysis of PPTA-DR3 and EPTA-DR2 finds no statistically significant ULDM signals and sets 95% CL upper limits on scalar and dark photon dark matter, improving prior bounds in most mass ranges.