Astroparticle Physics as Probes of the Symmetries and Asymmetries in the Fundamental Physics

Dear Colleagues,

We like to think that nature is symmetrically exact, although it has experimentally proven to us that it is usually just approximately symmetrical or even asymmetric. The study of these symmetries and anti-symmetries belongs to the field of fundamental physics, whose objective is to reveal the properties of matter and the nature of space–time at its most fundamental level. The very origin of the universe, its content of matter and antimatter, the true nature of space–time, and clues to theories beyond the Standard Model of particles can lie in the search for a deep understanding of the symmetries and anti-symmetries of nature.

In this scope, astroparticle physics has proven to be an unmatchable laboratory for this task, with limitations relying on our ability and cost to observe clearly and patiently. On the other hand, their remarkable strengths are the artificially unmatchable energy range, the long distances they propagate, and multiparticle messengers. Today, astroparticle laboratories are evolving to the next generation, leading to unprecedented opportunities to test fundamental physics; every step of each experiment shows a new path for fundamental studies. In this Special Issue, we call for a thorough overview of the role of astroparticle physics in fundamental physics, probes of fundamental symmetries with astroparticles, and scientific proposals for current and next astroparticle physics experiments in the years to come in the field.

Dr. Humberto Martínez Huerta
Dr. J. Patrick Harding
Guest Editors

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