195 citations · 693 across the 21 of their papers we have counts for
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hep-ph2019★ 28 cited
Axion-photon-dark photon oscillation and its implication for 21 cm observation
Kiwoon Choi, Hyeonseok Seong, Seokhoon Yun
We examine the resonant conversion of axion-like particle (ALP) or dark photon to the electromagnetic photon in the early Universe, which takes place due to the ALP-photon-dark pho…
hep-ph2019★ 2 cited
Axion scales and couplings with Stückelberg mixing
Kiwoon Choi, Chang Sub Shin, Seokhoon Yun
We study the axion field range and low energy couplings in models with Stückelberg mixing between axions and gauge bosons. It is noted that the gauge-invariant axion combina…