The Burst Mode of Accretion in Primordial Star Formation
  We present simulation results for the formation and long-term evolution of a
primordial protostellar disk harbored by a first star. Using a 2+1D
nonaxisymmetric thin disk numerical simulation, together with a barotropic
relation for the gas, we are able to probe ~20 kyr of the disk's evolution.
During this time period we observe fragmentation leading to loosely bound
gaseous clumps within the disk. These are then torqued inward and accreted onto
the growing protostar, giving rise to a burst phenomenon. The luminous feedback
produced by this mechanism may have important consequences for the subsequent
growth of the protostar.
