  We study magnetic phases of two-component mixtures of ultracold fermions with
repulsive interactions in optical lattices in the presence of both hopping and
population imbalance by means of dynamical mean-field theory (DMFT). It is
shown that these mixtures can have easy-axis antiferromagnetic, ferrimagnetic,
charge-density wave, and canted-antiferromagnetic order or be unordered
depending on parameters of the system. We study the resulting phase diagram in
detail and investigate the stability of the different phases with respect to
thermal fluctuations. We also perform a quantitative analysis for a gas
confined in a harmonic trap, both within the local density approximation and
using a full real-space generalization of DMFT.
