  The spin transport equations for polarized deuterium-tritium (DT) fusion
plasma are derived with the density matrix formulation, which are used to
investigate the hydrodynamics of polarized DT-gas-filled targets during
indirectly driven inertial confinement fusion implosions. The depolarization of
DT ions by strong self-generated magnetic fields can be captured by the spin
transport equation. The neutron yield, angular distribution and neutron beam
polarization are obtained from three-dimensional spin transport hydrodynamics
simulations of the target implosions. The simulation results indicate that an
optimized spin alignment of the polarized target can reduce the depolarization
of DT ions and the neutron beams induced by polar mode asymmetries in
indirectly driven implosions.
