2018/07/31 by David J. E. Marsh, Kin Chung Fong, Kin-Chung Fong +4 · 1 citation
Physics and Astronomy · #Atomic and Subatomic Physics Research #Axion #Condensed matter physics #Dark Matter and Cosmic Phenomena #Dark matter #Particle physics #Photon #Physics #Quantum mechanics #Quasiparticle #Superconductivity #Topological Materials and Phenomena #cond-mat.mes-hall #cond-mat.str-el #hep-ex #hep-ph #physics.ins-det
paper · pdf · doi:10.1103/physrevlett.123.121601
published as Phys. Rev. Lett. 123, 121601 (2019) · 6 pages, 4 figures. v2 accepted for publication in Physical Review Letters. Many points clarified, some parameter estimates revised
arxiv created 2019/08/08 · openalex publication_date 2019/09/17 · arxiv updated 2019/09/25 · openalex created_date 2025/10/10 · openalex updated_date 2026/08/05
Antiferromagnetically doped topological insulators (ATI) are among the candidates to host dynamical axion fields and axion polaritons, weakly interacting quasiparticles that are analogous to the dark axion, a long sought after candidate dark matter particle. Here we demonstrate that using the axion quasiparticle antiferromagnetic resonance in ATIs in conjunction with low-noise methods of detecting THz photons presents a viable route to detect axion dark matter with a mass of 0.7 to 3.5 meV, a range currently inaccessible to other dark matter detection experiments and proposals. The benefits of this method at high frequency are the tunability of the resonance with applied magnetic field, and the use of ATI samples with volumes much larger than 1 mm3.