The authors present an exact solution describing a black hole surrounded by a massive shell. Energy conditions for the material of the shell are examined and yield its minimum radius.
机构:
Kavli Inst Theoret Phys, Santa Barbara, CA USA
Sogang Univ, Ctr Quantum Spacetime, Seoul 121742, South Korea
Philander Smith Coll, Div Phys & Nat Sci, Little Rock, AR 72202 USAKavli Inst Theoret Phys, Santa Barbara, CA USA