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Dark sector domain walls could explain the observed planes of satellites (2022)
Journal Article
Naik, A. P., & Burrage, C. (2022). Dark sector domain walls could explain the observed planes of satellites. Journal of Cosmology and Astroparticle Physics, 2022(08), Article 020. https://doi.org/10.1088/1475-7516/2022/08/020

The observed 'planes of satellites' around the Milky Way and other nearby galaxies are notoriously difficult to explain under the ΛCDM paradigm. Here, we propose an alternative solution: domain walls arising in theories with symmetry-breaking scalar... Read More about Dark sector domain walls could explain the observed planes of satellites.

Charting galactic accelerations - II: How to ‘learn’ accelerations in the solar neighbourhood (2022)
Journal Article
Naik, A. P., An, J., Burrage, C., & Evans, N. W. (2022). Charting galactic accelerations - II: How to ‘learn’ accelerations in the solar neighbourhood. Monthly Notices of the Royal Astronomical Society, 511(2), 1609-1621. https://doi.org/10.1093/mnras/stac153

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 normalizing flows from data sets of the positions and velocities of stars.... Read More about Charting galactic accelerations - II: How to ‘learn’ accelerations in the solar neighbourhood.