1 citations · 1 across the 2 of their papers we have counts for
2 papers
gr-qc2019
A Special Class of the Scalar-Tensor Gravity with Scalar-Matter Direct Coupling
Kim Jik-su, Kim Chol-jun
A role of the scalar-matter direct coupling in the evolution of scalar-tensor gravity was studied. If the coupling functions in the generalized scalar-tensor gravity satisfy a defi…
astro-ph.SR2019★ 1 cited
About 200-Year Cycle of Solar Activity in the Mediaeval Korean Records and Reconstructions from Cosmogenic Radionuclides
Kim Chol-jun, Kim Jik-su
We investigated the Korean records of naked-eye sunspot observations and found an implication of periodicity of about 200-year. Adding the Chinese records we showed that the histor…