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gr-qc2026
Extremal Scalarization of Charged Black Holes: Miransky Scaling across Reissner-Nordström Extremality
Hong Guo, Yun Soo Myung, Lijing Shao
We study spontaneous scalarization near and at extremality in Einstein-Maxwell-scalar theory. As Reissner-Nordström (RN) extremality is approached from below, the nonextremal scala…
gr-qc2025
Negative potential-induced scalarization in the Einstein-Euler-Heisenberg black hole
Hong Guo, Miok Park, Yun Soo Myung
We investigate a negative potential-induced scalarization of the Einstein-Euler-Heisenberg (EEH) black hole in the EEH-scalar (EEHS) theory, characterized by mass , Euler-Heisen…
gr-qc2025★ 2 cited
Novel black holes with scalar hair in the Einstein-Maxwell-Scalar Theory with positive coupling
Hong Guo, Wei-Liang Qian, Bean Wang
In this work, we find a new branch of hairy black hole solutions in the Einstein-Maxwell-Scalar (EMS) theory in four-dimensional asymptotically flat spacetimes. Different from spon…