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Charting galactic accelerations II: how to 'learn' accelerations in the solar neighbourhood
Aneesh P. Naik, Jin An, Clare Burrage +1
Gravitational acceleration fields can be deduced from the collisionless Boltzmann equation, once the distribution function is known. This can be constructed via the method of norma…
SELCIE: A tool for investigating the chameleon field of arbitrary sources
Chad Briddon, Clare Burrage, Adam Moss +1
The chameleon model is a modified gravity theory that introduces an additional scalar field that couples to matter through a conformal coupling. This `chameleon field' possesses a…
EuCAPT White Paper: Opportunities and Challenges for Theoretical Astroparticle Physics in the Next Decade
R. Alves Batista, M. A. Amin, G. Barenboim +134
Astroparticle physics is undergoing a profound transformation, due to a series of extraordinary new results, such as the discovery of high-energy cosmic neutrinos with IceCube, the…
Chameleon Screening Depends on the Shape and Structure of NFW Halos
Andrius Tamosiunas, Chad Briddon, Clare Burrage +2
Chameleon gravity is an example of a model that gives rise to interesting phenomenology on cosmological scales while simultaneously possessing a screening mechanism, allowing it to…
Charting Galactic Accelerations: When and How to Extract a Unique Potential from the Distribution Function
J. An, A. Naik, N. W. Evans +1
The advent of datasets of stars in the Milky Way with six-dimensional phase-space information makes it possible to construct empirically the distribution function (DF). Here, we sh…
Fifth-Force Screening around Extremely Compact Sources
Clare Burrage, Benjamin Elder, Peter Millington +2
Many non-linear scalar field theories possess a screening mechanism that can suppress any associated fifth force in dense environments. As a result, these theories can evade local…