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Statistical Uncertainties of the QCD Axion Mass Window from Topological Defects
Sebastian Hoof, Jana Riess, David J. E. Marsh
We review results from QCD axion string and domain wall simulations and propagate the associated uncertainties, including QCD uncertainties, into the calculation of the axion relic…
Astrophysical Searches and Constraints on Ultralight Bosonic Dark Matter
David J. E. Marsh, Sebastian Hoof
Starting from the evidence that dark matter indeed exists and permeates the entire cosmos, various bounds on its properties can be estimated. Beginning with the cosmic microwave ba…
Axion Dark Matter: What is it and Why Now?
Francesca Chadha-Day, John Ellis, David J. E. Marsh
The axion has emerged in recent years as a leading particle candidate to provide the mysterious dark matter in the cosmos, as we review here for a general scientific audience. We d…
Axion Quasiparticles for Axion Dark Matter Detection
Jan Schütte-Engel, David J. E. Marsh, Alexander J. Millar +7
It has been suggested that certain antiferromagnetic topological insulators contain axion quasiparticles (AQs), and that such materials could be used to detect axion dark matter (D…