3 papers
hep-th2026
Quasinormal frequencies and greybody factors for axial perturbations of dilaton-Euler-Heisenberg de Sitter black holes
Ming Zhang, Guo-Xin Chen, Xufen Zhang +4
We investigate the quasinormal modes (QNMs) and greybody factors of dilaton-Euler-Heisenberg (dEH) de Sitter (dS) black holes in string-inspired Euler-Heisenberg gravity. Since the…
gr-qc2026
Quasinormal modes of massless scalar and electromagnetic perturbations for Euler-Heisenberg black holes surrounded by perfect fluid dark matter
Chengfu Feng, Sheng-Yuan Li, Xufen Zhang +3
We investigate the quasinormal modes of massless scalar and electromagnetic perturbations in charged Euler--Heisenberg black holes surrounded by perfect fluid dark matter. The quas…
gr-qc2026
Polar perturbations of dilaton-Euler-Heisenberg black holes
Sheng-Yuan Li, Yun Soo Myung, Ming Zhang +2
We investigate the quasinormal modes of polar metric-dilaton perturbations around the dilaton-Euler-Heisenberg (dEH) black holes with dilaton hair. The dEH black holes are obtained…