44 citations · 104 across the 6 of their papers we have counts for
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hep-th2017★ 17 cited
Electromagnetic waves propagating in the string axiverse
Daiske Yoshida, Jiro Soda
It is widely believed that axions are ubiquitous in string theory and could be the dark matter. The peculiar features of the axion dark matter are coherent oscillations and a coupl…
gr-qc2017★ 44 cited
Exploring the string axiverse and parity violation in gravity with gravitational waves
Daiske Yoshida, Jiro Soda
We show that the parametric resonance of gravitational waves occurs due to the axion coherent oscillation and the circular polarization of gravitational waves is induced by the Che…
gr-qc2017★ 7 cited
Electromagnetic Memory Effect Induced by Axion Dark Matter
Daiske Yoshida, Jiro Soda
Memory effects of gravitational waves from astronomical events or primordial universe might have the information of new physics. It is intriguing to observe that the memory effect…