SpheriCo.jl enables longer semiclassical collapse simulations and yields hints of non-trivial correlations of the scalar field across a dynamically formed apparent horizon.
The spherically symmetric collapse of a massless scalar field
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We report on a numerical study of the spherically symmetric collapse of a self-gravitating massless scalar field. Earlier results of Choptuik(1992, 1994) are confirmed. The field either disperses to infinity or collapses to a black hole, depending on the strength of the initial data. For evolutions where the strength is close to but below the strength required to form a black hole, we argue that there will be a region close to the axis where the scalar curvature and field energy density can reach arbitrarily large levels, and which is visible to distant observers
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Quantum correlations in a gravitational collapse simulation with SpheriCo.jl
SpheriCo.jl enables longer semiclassical collapse simulations and yields hints of non-trivial correlations of the scalar field across a dynamically formed apparent horizon.