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6 papers · 2 filters
Equation of State Parameters for Fluid of Stringy Extended Objects in Cosmology with Cosmological Constant
Soon-Tae Hong, Bum-Hoon Lee
We construct the strong energy conditions (SECs) for both massive and massless stringy extended objects in the higher dimensional cosmology (HDC) with cosmological constant . Ex…
Spin-Induced Nonlinear Scalarization of Kerr Black Holes in Einstein-scalar-Gauss-Bonnet Gravity
Meng-Yun Lai, Hyat Huang, Jutta Kunz +2
We investigate spin-induced scalarization of Kerr black holes in an Einstein-scalar-Gauss-Bonnet (EsGB) model that does not admit a linear tachyonic instability of the scalar-free…
Thermodynamics and phase transitions of nonlinearly scalarized black holes in Einstein-scalar-Gauss-Bonnet theory
De-Cheng Zou, Xu Yang, Meng-Yun Lai +2
We investigate the thermodynamic properties of static nonlinearly scalarized black holes in Einstein-scalar-Gauss-Bonnet theory with polynomial coupling functions. Based on the sca…
Phase transition for a black hole with matter fields and the relation with the Lyapunov exponent
Pakhlavon Yovkochev, Bobomurat J. Ahmedov, Bum-Hoon Lee +2
We construct static black hole solutions coexisting with anisotropic matter in asymptotically (anti-)de Sitter spacetime and investigate how the matter field modifies their thermod…
Anisotropic matter and nonlinear electromagnetics black holes
Yun Soo Myung, Wonwoo Lee
It is shown that anisotropic matter black holes with two parameters and correspond to nonlinear electrodynamics (NED) black holes with power-index and charge term $ξ(s,…
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…