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arXiv · 2408.06408

On the Validity of Bounds on Light Axions for $f\lesssim10^{13}$ GeV

Martin Bauer·Sreemanti Chakraborti
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Abstract

Light bosonic dark matter fields that can be treated like a classical wave have non-linear field values close to massive bodies. Here we make the important observation that the quadratic interactions of axion dark matter lead to non-perturbative axion field values for values of the decay constant of $f\lesssim 10^{13}$ GeV and masses $m_a\lesssim 7\times10^{8}/f\ {\rm eV^2}$ and generalise this result for axion-like particles. We identify experimental observables impacted by this effect.

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Martin Bauer, Sreemanti Chakraborti. 2024-08-12. On the Validity of Bounds on Light Axions for $f\lesssim10^{13}$ GeV. https://arxiv.org/abs/2408.06408

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