The Hall effect, in which a current flows perpendicular to an electrical bias, has been
prominent in the history of condensed matter physics. Appearing variously in classical …

With the establishment and maturation of the experimental programs searching for new
physics with sizeable couplings at the LHC, there is an increasing interest in the broader …

This report provides an extensive review of the experimental programme of direct detection
searches of particle dark matter. It focuses mostly on European efforts, both current and …

We review the landscape of QCD axion models. Theoretical constructions that extend the
window for the axion mass and couplings beyond conventional regions are highlighted and …

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 introduce the Broadband Reflector Experiment for Axion Detection (BREAD) conceptual
design and science program. This haloscope plans to search for bosonic dark matter across …

One of the intriguing properties characteristic to three-dimensional topological materials is
the topological magnetoelectric phenomena arising from a topological term called the θ …

We study the contribution to the QCD axion dark matter abundance that is produced by
string defects during the so-called scaling regime. Clear evidence of scaling violations is …

The magnon cat state represents a macroscopic quantum superposition of collective
magnetic excitations of large number spins that not only provides fundamental tests of …

The axion is a light pseudoscalar particle postulated to solve issues with the Standard
Model, including the strong CP problem and the origin of dark matter. In recent years, there …