Multiple critical gravitational collapse of charged scalar with reflecting wall

Abstract

In this paper, we present the results on the gravitational collapse of charged massless scalar field in asymptotically flat spacetime with a perfectly reflecting wall. Differing from previous works, we study the system in the double null coordinates, by which we could simulate the system until the black hole forms with higher precision but less performance time. We investigate the influence of charge on the black hole formation and the scaling behavior near the critical collapses. The gapless and gapped critical behaviors for black hole mass and charge are studied numerically. We find that they satisfy the scaling laws for critical gravitational collapse but the gapped critical behavior is different from its AdS counterpart.

12 pages,8 figures

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• Gravitational collapse of massless scalar field in $f(R)$ gravity
• Two worlds collide: Interacting shells in AdS spacetime and chaos
• Electromagnetic effect on anisotropic scalar field collapse in higher curvature gravity