268 citations · 2.8k across the 100 of their papers we have counts for
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hep-th2022★ 4 cited
Axion cosmology with post-Newtonian corrections
Jai-chan Hwang, Hyerim Noh
We present first-order post-Newtonian (1PN) approximations of a general imperfect fluid and of an axion as a coherently oscillating massive scalar field, both in the cosmological c…
astro-ph.HE2022★ 8 cited
Exact formulations of relativistic electrodynamics and magnetohydrodynamics with helically coupled scalar field
Jai-chan Hwang, Hyerim Noh
We present the general relativistic electrodynamics and magnetohydrodynamics with a helically coupled scalar field. We consider three component system with the fluid, scalar field…
hep-ph2022★ 6 cited
Axion electrodynamics and magnetohydrodynamics
Jai-chan Hwang, Hyerim Noh
We formulate axion-electrodynamics and magnetohydrodynamics (MHD) in the cosmological context assuming weak gravity. The two formulations are made for a general scalar field with g…