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A Proposal to Detect Dark Matter Using Axionic Topological Antiferromagnets
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A Proposal to Detect Dark Matter Using Axionic Topological Antiferromagnets
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Antiferromagnetically doped topological insulators (A-TI) 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 A-TI's in conjunction with low-noise methods of detecting THz photons presents a viable route to detect axion dark matter with mass 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 A-TI samples with volumes much larger than 1 mm$^3$.
Forward citations
Cited by 5 Pith papers
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Sideband Structure of Axion Electrodynamics
Introduces a sideband ladder formulation of axion electrodynamics that classifies instabilities and conversion channels via Krein signatures in periodic backgrounds.
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Axion-photon coupling imprints measurable Aharonov-Bohm and Berry phases in superconducting circuits and interferometers, projecting sensitivity to g_aγγ ~ 7.8e-14 GeV^{-1} at m_a ~ 1e-10 eV.
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Collective excitations in magnetic topological insulators and axion dark matter search
Effective EM coupling of the axionic quasi-particle mode in magnetic TIs is unchanged or suppressed by up to 100x relative to previous estimates.
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Axions at the meV Crossroads: Theory, Cosmology, Astrophysics, and Experiments
The meV axion window is presented as a coherent, cross-validated search program in which string theory, stellar cooling, dark matter, and new detector concepts converge on the same mass range.
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