Figure 11: Very long evolutions of a perturbed, slightly sub-critical, boson star with differing outer
boundaries. The central magnitude of the scalar field is shown. At early times ( and the
middle frame), the boson star demonstrates near-critical behavior with small-amplitude oscillations
about an unstable solution. For late times ( ), the solution appears converged for the
largest two outer boundaries and suggests that sub-critical boson stars are not dispersing. Instead,
they execute large amplitude oscillations about low-density boson stars. Reprinted with permission
from [142].
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