116 citations · 540 across the 21 of their papers we have counts for
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hep-ph2023★ 24 cited
Probing an ultralight QCD axion with electromagnetic quadratic interaction
Hyungjin Kim, Alessandro Lenoci, Gilad Perez +1
The axion-gluon coupling is the defining feature of the QCD axion. This feature induces additional and qualitatively different interactions of the axion with standard model particl…
hep-ph2023★ 116 cited
Primordial gravitational waves in the nano-Hertz regime and PTA data -- towards solving the GW inverse problem
Eric Madge, Enrico Morgante, Cristina Puchades-Ibáñez +4
In recent years, several pulsar timing array collaborations have reported first hints for a stochastic gravitational wave background at nano-Hertz frequencies. Here we elaborate on…