Horizon curvature and spacetime structure influences on black hole scalarization

Understand

Black hole spontaneous scalarization has been attracting more and more attention as it circumvents the well-known no-hair theorems.

• In this work, we study the scalarization in Einstein-scalar-Gauss-Bonnet theory with a probe scalar field in a black hole background with different curvatures.
• We first probe the signal of black hole scalarization with positive curvature in different spacetimes.
• The scalar field in AdS spacetime could be formed easier than that in flat case.