On the Critical Behavior of Gapped Gravitational Collapse in Confined Spacetime*

Supported in part by the National Natural Science Foundation of China under Grant Nos. 11375247 and 11435006, and a Key Project of CAS, under Grant No. QYZDJ-SSW-SYS006

Cai Rong-Gen1, 2, 4, †, Ji Li-Wei1, 4, ‡, Yang Run-Qiu3, §
       

Deviations in total mass due to the first bounce at the boundary decrease with the number of grids until saturation due to round-off error. The slope of the lines are 3.9, 4.8, 4.5 for respectively, which indicate that our code is around fourth-order convergent.