Snapshot of the accretion flow structure in the corotating frame of the binary, as output from our particle model. The red squares indicate the locations of the primary and secondary stars (left and right, respectively) and the black crosses show the locations of particles in the circumbinary disk and the accretion streams onto the two stars. The red circles delimit the inner and outer edges of where dust could reside in circumstellar disks: the inner edge represents the sublimation radius for each star and the outer edge the radius at which the disks are truncated by the other star. The binary clears out a slightly eccentric cavity of radius ~0.08–0.1 AU (~17–22 R_⊙).