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Superradiance Exclusions in the Landscape of Type IIB String Theory
Viraf M. Mehta, Mehmet Demirtas, Cody Long +3
We obtain constraints from black hole superradiance in an ensemble of compactifications of type IIB string theory. The constraints require knowing only the axion masses and self-in…
New insights into the formation and growth of boson stars in dark matter halos
Jiajun Chen, Xiaolong Du, Erik W. Lentz +2
This work studies the formation and growth of boson stars and their surrounding miniclusters by gravitational condensation using non-linear dynamical numerical methods. Fully dynam…
A Novel Estimator for the Equation of State of the IGM by Ly Forest Tomography
Hendrik Müller, Christoph Behrens, David James Edward Marsh
We present a novel procedure to estimate the Equation of State of the intergalactic medium in the quasi-linear regime of structure formation based on Ly forest tomography and ap…
Global fits of axion-like particles to XENON1T and astrophysical data
Peter Athron, Csaba Balázs, Ankit Beniwal +13
The excess of electron recoil events seen by the XENON1T experiment has been interpreted as a potential signal of axion-like particles (ALPs), either produced in the Sun, or consti…
An Optimized Ly Forest Inversion Tool Based on a Quantitative Comparison of Existing Reconstruction Methods
Hendrik Müller, Christoph Behrens, David James Edward Marsh
We present a same-level comparison of the most prominent inversion methods for the reconstruction of the matter density field in the quasi-linear regime from the Ly forest flux.…
Axion Miniclusters Made Easy
David Ellis, David J. E. Marsh, Christoph Behrens
We use a modified version of the Peak Patch excursion set formalism to compute the mass and size distribution of QCD axion miniclusters from a fully non-Gaussian initial density fi…