Constraints on Quasinormal modes from Black Hole Shadows in regular non-minimal Einstein Yang-Mills Gravity

Understand

This work deals with the scalar quasinormal modes using higher order WKB method and black hole shadow in non-minimal Einstein Yang-Mills theory.

• To validate the results of quasinormal modes, time domain profiles are also investigated.
• We found that with an increase in the magnetic charge of the black hole, the ring-down gravitational wave increases non-linearly and damping rate decreases non-linearly.
• The presence of magnetic charge also results in a decrease in the black hole shadow non-linearly.